Soren Kierkegaard

From 1821 to 1830 Kierkegaard attended the School of Civic Virtue, Østre Borgerdyd Gymnasium when the school was situated in Klarebodeme, where he studied Latin and history among other subjects. During his time there he was described as "very conservative"; someone who would "honour the King, love the church and respect the police". He frequently got into altercations with fellow students and was ambivalent towards his teachers. He went on to study theology at the University of Copenhagen. He had little interest in historical works, philosophy dissatisfied him, and he couldn't see "dedicating himself to Speculation". He said, "What I really need to do is to get clear about "what am I to do", not what I must know." He wanted to "lead a completely human life and not merely one of knowledge". Kierkegaard didn't want to be a philosopher in the traditional or Hegelian sense and he didn't want to preach a Christianity that was an illusion. "But he had learned from his father that one can do what one wills, and his father's life had not discredited this theory."

Kierkegaard's mother "was a nice little woman with an even and happy disposition," according to a grandchild's description. She was never mentioned in Kierkegaard's works. Ane died on 31 July 1834, age 66, possibly from typhus. His father died on 8 August 1838, age 82. On 11 August, Kierkegaard wrote: "My father died on Wednesday (the 8th) at 2:00 a.m. I so deeply desired that he might have lived a few years more... Right now I feel there is only one person (E. Boesen) with whom I can really talk about him. He was a 'faithful friend.'" Troels Frederik Lund, his nephew, was instrumental in providing biographers with much information regarding Søren Kierkegaard. Lund was a good friend of Georg Brandes and Julius Lange. Here is an anecdote about his father from Kierkegaard's journals.

An important aspect of Kierkegaard's life – generally considered to have had a major influence on his work – was his broken engagement to Regine Olsen (1822–1904). Kierkegaard and Olsen met on 8 May 1837 and were instantly attracted to each other, but sometime around 11 August 1838 he had second thoughts. In his journals, Kierkegaard wrote idealistically about his love for her.

Kierkegaard then turned his attention to his examinations. On 13 May 1839, he wrote, "I have no alternative than to suppose that it is God's will that I prepare for my examination and that it is more pleasing to Him that I do this than actually coming to some clearer perception by immersing myself in one or another sort of research, for obedience is more precious to him than the fat of rams." The death of his father and the death of Poul Møller also played a part in his decision.

On 8 September 1840, Kierkegaard formally proposed to Olsen. He soon felt disillusioned about his prospects. He broke off the engagement on 11 August 1841, though it is generally believed that the two were deeply in love. In his journals, Kierkegaard mentions his belief that his "melancholy" made him unsuitable for marriage, but his precise motive for ending the engagement remains unclear. Later on, he wrote: "I owe everything to the wisdom of an old man and to the simplicity of a young girl." The old man in this statement is said to be his father while Olsen was the girl. Martin Buber said "Kierkegaard does not marry in defiance of the whole nineteenth century".

On 29 September 1841, Kierkegaard wrote and defended his master's thesis, On the Concept of Irony with Continual Reference to Socrates. The university panel considered it noteworthy and thoughtful, but too informal and witty for a serious academic thesis. The thesis dealt with irony and Schelling's 1841 lectures, which Kierkegaard had attended with Mikhail Bakunin, Jacob Burckhardt, and Friedrich Engels; each had come away with a different perspective. Kierkegaard graduated from university on 20 October 1841 with a Magister Artium (Master of Arts). His family's inheritance of approximately 31,000 rigsdaler enabled him to fund his work and living expenses including servants.

On 16 October 1843, Kierkegaard published three more books about love and faith and several more discourses. Fear and Trembling was published under the pseudonym Johannes de Silentio. Repetition is about a Young Man (Søren Kierkegaard) who has anxiety and depression because he feels he has to sacrifice his love for a girl (Regine Olsen) to God. He tries to see if the new science of psychology can help him understand himself. Constantin Constantius, who is the pseudonymous author of that book, is the psychologist. At the same time, he published Three Upbuilding Discourses, 1843 under his own name, which dealt specifically with how love can be used to hide things from yourself or others. These three books, all published on the same day, are an example of Kierkegaard's method of indirect communication.

During 1844, he published two, three, and four more upbuilding discourses just as he did in 1843, but here he discussed how an individual might come to know God. Theologians, philosophers and historians were all engaged in debating about the existence of God. This is direct communication and Kierkegaard thinks this might be useful for theologians, philosophers, and historians (associations) but not at all useful for the "single individual" who is interested in becoming a Christian. Kierkegaard always wrote for "that single individual whom I with joy and gratitude call my reader" The single individual must put what is understood to use or it will be lost. Reflection can take an individual only so far before the imagination begins to change the whole content of what was being thought about. Love is won by being exercised just as much as faith and patience are.

On 22 December 1845, Peder Ludvig Møller, who studied at the University of Copenhagen at the same time as Kierkegaard, published an article indirectly criticizing Stages on Life's Way. The article complimented Kierkegaard for his wit and intellect, but questioned whether he would ever be able to master his talent and write coherent, complete works. Møller was also a contributor to and editor of The Corsair, a Danish satirical paper that lampooned everyone of notable standing. Kierkegaard published a sarcastic response, charging that Møller's article was merely an attempt to impress Copenhagen's literary elite.

Kierkegaard wrote his Concluding Unscientific Postscript to Philosophical Fragments in 1846 and here he tried to explain the intent of the first part of his authorship. He said, "Christianity will not be content to be an evolution within the total category of human nature; an engagement such as that is too little to offer to a god. Neither does it even want to be the paradox for the believer, and then surreptitiously, little by little, provide him with understanding, because the martyrdom of faith (to crucify one's understanding) is not a martyrdom of the moment, but the martyrdom of continuance." The second part of his authorship was summed up in Practice in Christianity:

There had been much discussion in Denmark about the pseudonymous authors until the publication of Concluding Unscientific Postscript to Philosophical Fragments, 27 February 1846, where he openly admitted to be the author of the books because people began wondering if he was, in fact, a Christian or not. Several Journal entries from that year shed some light on what Kierkegaard hoped to achieve. This book was published under an earlier pseudonym, Johannes Climacus. On 30 March 1846 he published Two Ages: A Literary Review, under his own name. A critique of the novel Two Ages (in some translations Two Generations) written by Thomasine Christine Gyllembourg-Ehrensvärd, Kierkegaard made several insightful observations on what he considered the nature of modernity and its passionless attitude towards life. Kierkegaard writes that "the present age is essentially a sensible age, devoid of passion ... The trend today is in the direction of mathematical equality, so that in all classes about so and so many uniformly make one individual". In this, Kierkegaard attacked the conformity and assimilation of individuals into "the crowd" which became the standard for truth, since it was the numerical. How can one love the neighbor if the neighbor is always regarded as the wealthy or the poor or the lame?

Kierkegaard described the hope the witness to the truth has in 1847 and in his Journals.

Copenhagen in the 1830s and 1840s had crooked streets where carriages rarely went. Kierkegaard loved to walk them. In 1848, Kierkegaard wrote, "I had real Christian satisfaction in the thought that, if there were no other, there was definitely one man in Copenhagen whom every poor person could freely accost and converse with on the street; that, if there were no other, there was one man who, whatever the society he most commonly frequented, did not shun contact with the poor, but greeted every maidservant he was acquainted with, every manservant, every common laborer." Our Lady's Church was at one end of the city, where Bishop Mynster preached the Gospel. At the other end was the Royal Theatre where Fru Heiberg performed.

In 1848 he published Christian Discourses under his own name and The Crisis and a Crisis in the Life of an Actress under the pseudonym Inter et Inter. Christian Discourses deals the same theme as The Concept of Anxiety, angst. The text is the Gospel of Matthew 6 verses 24–34. This was the same passage he had used in his What We Learn From the Lilies in the Field and From the Birds of the Air of 1847. He wrote:

Kierkegaard tried to explain his prolific use of pseudonyms again in The Point of View of My Work as an Author, his autobiographical explanation for his writing style. The book was finished in 1848, but not published until after his death by his brother Christian Peter Kierkegaard. Walter Lowrie mentioned Kierkegaard's "profound religious experience of Holy Week 1848" as a turning point from "indirect communication" to "direct communication" regarding Christianity. However, Kierkegaard stated that he was a religious author throughout all of his writings and that his aim was to discuss "the problem 'of becoming a Christian', with a direct polemic against the monstrous illusion we call Christendom". He expressed the illusion this way in his 1848 "Christian Address", Thoughts Which Wound From Behind – for Edification.

Although his journals clarify some aspects of his work and life, Kierkegaard took care not to reveal too much. Abrupt changes in thought, repetitive writing, and unusual turns of phrase are some among the many tactics he used to throw readers off track. Consequently, there are many varying interpretations of his journals. Kierkegaard did not doubt the importance his journals would have in the future. In December 1849, he wrote: "Were I to die now the effect of my life would be exceptional; much of what I have simply jotted down carelessly in the Journals would become of great importance and have a great effect; for then people would have grown reconciled to me and would be able to grant me what was, and is, my right."

Kierkegaard began to write again in 1847: the three-part Edifying Discourses in Diverse Spirits. It included Purity of Heart is to Will One Thing, What we Learn from the Lilies in the Field and from the Birds in the Air, and The Gospel of Sufferings. He asked, What does it mean to be a single individual who wants to do the good? What does it mean to be a human being? What does it mean to follow Christ? He now moves from "upbuilding (Edifying) discourses" to "Christian discourses", however, he still maintains that these are not "sermons". A sermon is about struggle with oneself about the tasks life offers one and about repentance for not completing the tasks. Later, in 1849, he wrote devotional discourses and Godly discourses.

He wrote three discourses under his own name and one pseudonymous book in 1849. He wrote The Lily in the Field and the Bird of the Air. Three Devotional Discourses, Three Discourses at the Communion on Fridays and Two Ethical-Religious Essays. The first thing any child finds in life is the external world of nature. This is where God placed his natural teachers. He's been writing about confession and now openly writes about Holy Communion which is generally preceded by confession. This he began with the confessions of the esthete and the ethicist in Either/Or and the highest good peace in the discourse of that same book. His goal has always been to help people become religious but specifically Christian religious. He summed his position up earlier in his book, The Point of View of My Work as an Author, but this book was not published until 1859.

The Second edition of Either/Or was published early in 1849. Later that year he published The Sickness Unto Death, under the pseudonym Anti-Climacus. He's against Johannes Climacus who kept writing books about trying to understand Christianity. Here he says, "Let others admire and praise the person who pretends to comprehend Christianity. I regard it as a plain ethical task – perhaps requiring not a little self-denial in these speculative times, when all 'the others' are busy with comprehending-to admit that one is neither able nor supposed to comprehend it." Sickness unto death was a familiar phrase in Kierkegaard's earlier writings. This sickness is despair and for Kierkegaard despair is a sin. Despair is the impossibility of possibility. Kierkegaard writes:

Kierkegaard believed "each generation has its own task and need not trouble itself unduly by being everything to previous and succeeding generations". In an earlier book he had said, "to a certain degree every generation and every individual begins his life from the beginning", and in another, "no generation has learned to love from another, no generation is able to begin at any other point than the beginning", "no generation learns the essentially human from a previous one." And, finally, in 1850 he wrote, "those true Christians who in every generation live a life contemporaneous with that of Christ have nothing whatsoever to do with Christians of the preceding generation, but all the more with their contemporary, Christ. His life here on earth attends every generation, and every generation severally, as Sacred History..." He was against the Hegelian idea of mediation because it introduces a "third term" that comes between the single individual and the object of desire. Kierkegaard wrote in 1844, 'If a person can be assured of the grace of God without needing temporal evidence as a middleman or as the dispensation advantageous to him as interpreter, then it is indeed obvious to him that the grace of God is the most glorious of all." He was against mediation and settled instead on the choice to be content with the grace of God or not. It's the choice between the possibility of the "temporal and the eternal", "mistrust and belief, and deception and truth", "subjective and objective". These are the "magnitudes" of choice. He always stressed deliberation and choice in his writings and wrote against comparison. This is how Kant put it in 1786 and Kierkegaard put it in 1847:

In September 1850, the Western Literary Messenger wrote: "While Martensen with his wealth of genius casts from his central position light upon every sphere of existence, upon all the phenomena of life, Søren Kierkegaard stands like another Simon Stylites, upon his solitary column, with his eye unchangeably fixed upon one point." In 1855, the Danish National Church published his obituary. Kierkegaard did have an impact there judging from the following quote from their article: "The fatal fruits which Dr. Kierkegaard show to arise from the union of Church and State, have strengthened the scruples of many of the believing laity, who now feel that they can remain no longer in the Church, because thereby they are in communion with unbelievers, for there is no ecclesiastical discipline."

He then went to Berlin for a short rest. Upon returning he published his Discourses of 1843–44 in one volume, Eighteen Upbuilding Discourses, 29 May 1845 and finished the first part of his authorship with Concluding Unscientific Postscript to the Philosophical Fragments which was a rewrite of Philosophical Fragments as well as an explanation of the first part of his authorship. In 1851 he further explained himself in his Journal. "What I have understood as the task of the authorship has been done. It is one idea, this continuity from Either/Or to Anti-Climacus, the idea of religiousness in reflection. The task has occupied me totally, for it has occupied me religiously; I have understood the completion of this authorship as my duty, as a responsibility resting upon me." He advised his reader to read his books slowly and also to read them aloud since that might aid in understanding. Kierkegaard identified this leap of faith as the good resolution. Kierkegaard discussed the knight of faith like this in Works of Love, 1847.

In 1851 Kierkegaard wrote his Two Discourses at the Communion on Fridays where he once more discussed sin, forgiveness, and authority using that same verse from 1 Peter 4:8 that he used twice in 1843 with his Three Upbuilding Discourses, 1843.

He now pointedly referred to the acting single individual in his next three publications; For Self-Examination, Two Discourses at the Communion on Fridays, and in 1852 Judge for Yourselves!. Judge for Yourselves! was published posthumously in 1876. Here is an interesting quote from For Self Examination.

Changes did occur in the administration of the Church and these changes were linked to Kierkegaard's writings. The Church noted that dissent was "something foreign to the national mind". On 5 April 1855 the Church enacted new policies: "every member of a congregation is free to attend the ministry of any clergyman, and is not, as formerly, bound to the one whose parishioner he is". In March 1857, compulsory infant baptism was abolished. Debates sprang up over the King's position as the head of the Church and over whether to adopt a constitution. Grundtvig objected to having any written rules. Immediately following this announcement the "agitation occasioned by Kierkegaard" was mentioned. Kierkegaard was accused of Weigelianism and Darbyism, but the article continued to say, "One great truth has been made prominent, viz (namely): That there exists a worldly-minded clergy; that many things in the Church are rotten; that all need daily repentance; that one must never be contented with the existing state of either the Church or her pastors."

Hans Martensen was the subject of a Danish article, Dr. S. Kierkegaard against Dr. H. Martensen By Hans Peter Kofoed-Hansen (1813–1893) that was published in 1856 (untranslated) and Martensen mentioned him extensively in Christian Ethics, published in 1871. "Kierkegaard's assertion is therefore perfectly justifiable, that with the category of "the individual" the cause of Christianity must stand and fall; that, without this category, Pantheism had conquered unconditionally. From this, at a glance, it may be seen that Kierkegaard ought to have made common cause with those philosophic and theological writers who specially desired to promote the principle of Personality as opposed to Pantheism. This is, however, far from the case. For those views which upheld the category of existence and personality, in opposition to this abstract idealism, did not do this in the sense of an either—or, but in that of a both—and. They strove to establish the unity of existence and idea, which may be specially seen from the fact that they desired system and totality. Martensen accused Kierkegaard and Alexandre Vinet of not giving society its due. He said both of them put the individual above society, and in so doing, above the Church." Another early critic was Magnús Eiríksson who criticized Martensen and wanted Kierkegaard as his ally in his fight against speculative theology.

Kierkegaard's final years were taken up with a sustained, outright attack on the Church of Denmark by means of newspaper articles published in The Fatherland (Fædrelandet) and a series of self-published pamphlets called The Moment (Øjeblikket), also translated as The Instant. These pamphlets are now included in Kierkegaard's Attack Upon Christendom. The Moment was translated into German and other European languages in 1861 and again in 1896.

Swedish author Waldemar Rudin published Sören Kierkegaards person och författarskap – ett försök in 1880. During the 1890s, Japanese philosophers began disseminating the works of Kierkegaard. Tetsuro Watsuji was one of the first philosophers outside of Scandinavia to write an introduction on his philosophy, in 1915.

Several of Kierkegaard's works were translated into German from 1861 onward, including excerpts from Practice in Christianity (1872), from Fear and Trembling and Concluding Unscientific Postscript (1874), Four Upbuilding Discourses and Christian Discourses (1875), and The Lillis of the Field and the Birds of the Air (1876) according to Kierkegaard's International Reception: Northern and Western Europe: Toma I, by John Stewart, see p. 388ff' The Sickness Unto Death, 1881 Twelve speeches by Søren Kierkegaard, by Julius Fricke, 1886 Stages on Life's Way, 1886 (Bärthold).

"August Strindberg was influenced by the Danish individualistic philosopher Kierkegaard while a student at Uppsala University (1867–1870) and mentioned him in his book Growth of a Soul as well as Zones of the Spirit (1913). Edwin Bjorkman credited Kierkegaard as well as Henry Thomas Buckle and Eduard von Hartmann with shaping Strindberg's artistic form until he was strong enough to stand wholly on his own feet." The dramatist Henrik Ibsen is said to have become interested in Kierkegaard as well as the Norwegian national writer and poet Bjørnstjerne Bjørnson (1832–1910) who named one of his characters Søren Pedersen in his 1890 book In God's Way. Kierkegaard's father's name was Michael Pedersen Kierkegaard.

Albert Barthod began translating Kierkegaard's works into German as early as 1873. Hermann Gottsche published Kierkegaard's Journals in 1905. It had taken academics 50 years to arrange his journals. Kierkegaard's main works were translated into German by Christoph Schrempf from 1909 onwards. Emmanuel Hirsch released a German edition of Kierkegaard's collected works from 1950 onwards. Both Harald Hoffding's and Schrempf's books about Kierkegaard were reviewed in 1892.

The Encyclopaedia of religion and ethics had an article about Kierkegaard in 1908. The article began:

The first academic to draw attention to Kierkegaard was fellow Dane Georg Brandes, who published in German as well as Danish. Brandes gave the first formal lectures on Kierkegaard in Copenhagen and helped bring him to the attention of the European intellectual community. Brandes published the first book on Kierkegaard's philosophy and life, Søren Kierkegaard, ein literarisches Charakterbild. Autorisirte deutsche Ausg (1879) which Adolf Hult said was a "misconstruction" of Kierkegaard's work and "falls far short of the truth". Brandes compared him to Hegel and Tycho Brahe in Reminiscences of my Childhood and Youth (1906). Brandes also discussed the Corsair Affair in the same book. Brandes opposed Kierkegaard's ideas in the 1911 edition of the Britannica. Brandes compared Kierkegaard to Nietzsche as well. He also mentioned Kierkegaard extensively in volume 2 of his 6 volume work, Main Currents in Nineteenth Century Literature (1872 in German and Danish, 1906 English).

Friedrich von Hügel wrote about Kierkegaard in his 1913 book, Eternal life: a study of its implications and applications, where he said: "Kierkegaard, the deep, melancholy, strenuous, utterly uncompromising Danish religionist, is a spiritual brother of the great Frenchman, Blaise Pascal, and of the striking English Tractarian, Hurrell Froude, who died young and still full of crudity, yet left an abiding mark upon all who knew him well."

John George Robertson wrote an article called Soren Kierkegaard in 1914: "Notwithstanding the fact that during the last quarter of a century, we have devoted considerable attention to the literatures of the North, the thinker and man of letters whose name stands at the head of the present article is but little known to the English-speaking world. The Norwegians, Ibsen and Bjørnson, have exerted a very real power on our intellectual life, and for Bjørnson we have cherished even a kind of affection. But Kierkegaard, the writer who holds the indispensable key to the intellectual life of Scandinavia, to whom Denmark in particular looks up as her most original man of genius in the nineteenth century, we have wholly overlooked." Robertson wrote previously in Cosmopolis (1898) about Kierkegaard and Nietzsche. Theodor Haecker wrote an essay titled, Kierkegaard and the Philosophy of Inwardness in 1913 and David F. Swenson wrote a biography of Søren Kierkegaard in 1920. Lee M. Hollander translated parts of Either/Or, Fear and Trembling, Stages on Life's Way, and Preparations for the Christian Life (Practice in Christianity) into English in 1923, with little impact. Swenson wrote about Kierkegaard's idea of "armed neutrality" in 1918 and a lengthy article about Søren Kierkegaard in 1920. Swenson stated: "It would be interesting to speculate upon the reputation that Kierkegaard might have attained, and the extent of the influence he might have exerted, if he had written in one of the major European languages, instead of in the tongue of one of the smallest countries in the world."

Kierkegaard's comparatively early and manifold philosophical and theological reception in Germany was one of the decisive factors of expanding his works' influence and readership throughout the world. Important for the first phase of his reception in Germany was the establishment of the journal Zwischen den Zeiten (Between the Ages) in 1922 by a heterogeneous circle of Protestant theologians: Karl Barth, Emil Brunner, Rudolf Bultmann and Friedrich Gogarten. Their thought would soon be referred to as dialectical theology. At roughly the same time, Kierkegaard was discovered by several proponents of the Jewish-Christian philosophy of dialogue in Germany, namely by Martin Buber, Ferdinand Ebner, and Franz Rosenzweig. In addition to the philosophy of dialogue, existential philosophy has its point of origin in Kierkegaard and his concept of individuality. Martin Heidegger sparsely refers to Kierkegaard in Being and Time (1927), obscuring how much he owes to him. Walter Kaufmann discussed Sartre, Jaspers, and Heidegger in relation to Kierkegaard, and Kierkegaard in relation to the crisis of religion in the 1960s. Later, Kierkegaard's Fear and Trembling (Series Two) and The Sickness Unto Death (Series Three) were included in the Penguin Great Ideas Series (Two and Three).

Wilhelm Pauk wrote in 1931 (Karl Barth Prophet of a New Christianity) that Kierkegaard's use of the Latin phrase Finitum Non Capax Infiniti (the finite does not (or cannot) comprehend the infinite) summed up Barth's system. David G. Kingman and Adolph Keller each discussed Barth's relationship to Kierkegaard in their books, The Religious Educational Values in Karl Barth's Teachings (1934) and Karl Barth and Christian Unity (1933). Keller notes the splits that happen when a new teaching is introduced and some assume a higher knowledge from a higher source than others. But Kierkegaard always referred to the equality of all in the world of the spirit where there is neither "sport" nor "spook" or anyone who can shut you out of the world of the spirit except yourself. All are chosen by God and equal in His sight. The Expectancy of Faith," Before this faith came, we were held prisoners by the law, locked up until faith should be revealed. So the law was put in charge to lead us to Christ that we might be justified by faith. Now that faith has come, we are no longer under the supervision of the law. You are all sons of God through faith in Christ Jesus, for all of you who were baptized into Christ have clothed yourselves with Christ. There is neither Jew nor Greek, slave nor free, male nor female, for you are all one in Christ Jesus. If you belong to Christ, then you are Abraham's seed, and heirs according to the promise. The Bible – NIV" Galatians 3:23–29; "In the world of spirit to become one’s own master, is the highest – and in love to help someone toward that, to become himself, free, independent, his own master, to help him stand alone – that is the greatest beneficence. The greatest beneficence, to help the other to stand alone, cannot be done directly." "If a person always keeps his soul sober and alert in this idea, he will never go astray in his outlook on life and people or "combine respect for status of persons with his faith." Show no partiality as you hold the faith of our Lord Jesus Christ. (James 2.1) Then he will direct his thoughts toward God, and his eye will not make the mistake of looking for differences in the world instead of likeness with God.

Austrian psychologist Wilhelm Stekel (1868–1940) referred to Kierkegaard as the "fanatical follower of Don Juan, himself the philosopher of Don Juanism" in his book Disguises of Love. German psychiatrist and philosopher Karl Jaspers (1883–1969) stated he had been reading Kierkegaard since 1914 and compared Kierkegaard's writings with Friedrich Hegel's Phenomenology of Mind and the writings of Friedrich Nietzsche. Jaspers saw Kierkegaard as a champion of Christianity and Nietzsche as a champion for atheism. Later, in 1935, Karl Jaspers emphasized Kierkegaard's (and Nietzsche's) continuing importance for modern philosophy

According to Samuel Hugo Bergmann, "Kierkegaard's journals are one of the most important sources for an understanding of his philosophy". Kierkegaard wrote over 7,000 pages in his journals on events, musings, thoughts about his works and everyday remarks. The entire collection of Danish journals (Journalen) was edited and published in 13 volumes consisting of 25 separate bindings including indices. The first English edition of the journals was edited by Alexander Dru in 1938. The style is "literary and poetic [in] manner".

In Practice in Christianity, 25 September 1850, his last pseudonymous work, he stated, "In this book, originating in the year 1848, the requirement for being a Christian is forced up by the pseudonymous authors to a supreme ideality." This work was called Training in Christianity when Walter Lowrie translated it in 1941.

Nikolai Berdyaev makes a related argument against reason in his 1945 book The Divine and the Human.

Philosophers and theologians influenced by Kierkegaard are numerous and include major twentieth century theologians and philosophers. Paul Feyerabend's epistemological anarchism in the philosophy of science was inspired by Kierkegaard's idea of subjectivity as truth. Ludwig Wittgenstein was immensely influenced and humbled by Kierkegaard, claiming that "Kierkegaard is far too deep for me, anyhow. He bewilders me without working the good effects which he would in deeper souls". Karl Popper referred to Kierkegaard as "the great reformer of Christian ethics, who exposed the official Christian morality of his day as anti-Christian and anti-humanitarian hypocrisy". Hilary Putnam admired Kierkegaard, "for his insistence on the priority of the question, 'How should I live?'". By the early 1930s, Jacques Ellul's three primary sources of inspiration were Karl Marx, Søren Kierkegaard, and Karl Barth. According to Ellul, Marx and Kierkegaard were his two greatest influences, and the only two authors of which he read all of their work. Herbert Read wrote in 1945 "Kierkegaard’s life was in every sense that of a saint. He is perhaps the most real saint of modern times."

William Hubben compared Kierkegaard to Dostoevsky in his 1952 book Four Prophets of Our Destiny, later titled Dostoevsky, Kierkegaard, Nietzsche, and Kafka.

In 1955 Morton White wrote about the word "exists" and Kierkegaard's idea of God's is-ness.

In the 1930s, the first academic English translations, by Alexander Dru, David F. Swenson, Douglas V. Steere, and Walter Lowrie appeared, under the editorial efforts of Oxford University Press editor Charles Williams, one of the members of the Inklings. Thomas Henry Croxall, another early translator, Lowrie, and Dru all hoped that people would not just read about Kierkegaard but would actually read his works. Dru published an English translation of Kierkegaard's Journals in 1958; Alastair Hannay translated some of Kierkegaard's works. From the 1960s to the 1990s, Howard V. Hong and Edna H. Hong translated his works more than once. The first volume of their first version of the Journals and Papers (Indiana, 1967–1978) won the 1968 U.S. National Book Award in category Translation. They both dedicated their lives to the study of Søren Kierkegaard and his works, which are maintained at the Howard V. and Edna H. Hong Kierkegaard Library. Jon Stewart from the University of Copenhagen has written extensively about Søren Kierkegaard.

Kierkegaard has also had a considerable influence on 20th-century literature. Figures deeply influenced by his work include W. H. Auden, Jorge Luis Borges, Don DeLillo, Hermann Hesse, Franz Kafka, David Lodge, Flannery O'Connor, Walker Percy, Rainer Maria Rilke, J.D. Salinger and John Updike. What George Henry Price wrote in his 1963 book The Narrow Pass regarding the "who" and the "what" of Kierkegaard still seems to hold true today: "Kierkegaard was the sanest man of his generation....Kierkegaard was a schizophrenic....Kierkegaard was the greatest Dane....the difficult Dane....the gloomy Dane...Kierkegaard was the greatest Christian of the century....Kierkegaard's aim was the destruction of the historic Christian faith....He did not attack philosophy as such....He negated reason....He was a voluntarist....Kierkegaard was the Knight of Faith....Kierkegaard never found faith....Kierkegaard possessed the truth....Kierkegaard was one of the damned."

In 1964 Life Magazine traced the history of existentialism from Heraclitus (500BC) and Parmenides over the argument over The Unchanging One as the real and the state of flux as the real. From there to the Old Testament Psalms and then to Jesus and later from Jacob Boehme (1575–1624) to Rene Descartes (1596–1650) and Blaise Pascal (1623–1662) and then on to Nietzsche and Paul Tillich. Dostoevski and Camus are attempts to rewrite Descartes according to their own lights and Descartes is the forefather of Sartre through the fact that they both used a "literary style." The article goes on to say,

Kierkegaard came to hope that no one would retain their sins even though they have been forgiven. And by the same token that no one who truly believed in the forgiveness of sin would live their own life as an objection against the existence of forgiveness. He made the point that Cato committed suicide before Caesar had a chance to forgive him. This fear of not finding forgiveness is devastating. Edna H. Hong quoted Kierkegaard in her 1984 book, Forgiveness is a Work As Well As a Grace and Kierkegaard wrote about forgiveness in 1847. In 1954, Samuel Barber set to music Kierkegaard's prayer, "Father in Heaven! Hold not our sins up against us but hold us up against our sins so that the thought of You when it wakens in our soul, and each time it wakens, should not remind us of what we have committed but of what You did forgive, not of how we went astray but of how You did save us!"

Kierkegaard had a profound influence on psychology. He is widely regarded as the founder of Christian psychology and of existential psychology and therapy. Existentialist (often called "humanistic") psychologists and therapists include Ludwig Binswanger, Viktor Frankl, Erich Fromm, Carl Rogers, and Rollo May. May based his The Meaning of Anxiety on Kierkegaard's The Concept of Anxiety. Kierkegaard's sociological work Two Ages: The Age of Revolution and the Present Age critiques modernity. Ernest Becker based his 1974 Pulitzer Prize book, The Denial of Death, on the writings of Kierkegaard, Freud and Otto Rank. Kierkegaard is also seen as an important precursor of postmodernism. Danish priest Johannes Møllehave has lectured about Kierkegaard. In popular culture, he was the subject of serious television and radio programmes; in 1984, a six-part documentary Sea of Faith: Television series presented by Don Cupitt featured an episode on Kierkegaard, while on Maundy Thursday in 2008, Kierkegaard was the subject of discussion of the BBC Radio 4 programme presented by Melvyn Bragg, In Our Time, during which it was suggested that Kierkegaard straddles the analytic/continental divide. Google honoured him with a Google Doodle on his 200th anniversary. The novel Therapy by David Lodge details a man experiencing a mid-life crisis and becoming obsessed with the works of Kierkegaard.

Three months after the publication of Either/Or, 16 May 1843, he published Two Upbuilding Discourses, 1843 and continued to publish discourses along with his pseudonymous books. These discourses were published under Kierkegaard's own name and are available as Eighteen Upbuilding Discourses today. David F. Swenson first translated the works in the 1940s and titled them the Edifying Discourses; however, in 1990, Howard V. and Edna H. Hong translated the works again but called them the Upbuilding Discourses. The word "upbuilding" was more in line with Kierkegaard's thought after 1846, when he wrote Christian deliberations about works of love. An upbuilding discourse or edifying discourse isn't the same as a sermon because a sermon is preached to a congregation while a discourse can be carried on between several people or even with oneself. The discourse or conversation should be "upbuilding", which means one would build up the other person, or oneself, rather than tear down in order to build up. Kierkegaard said: "Although this little book (which is called "discourses," not sermons, because its author does not have authority to preach, "upbuilding discourses," not discourses for upbuilding, because the speaker by no means claims to be a teacher) wishes to be only what it is, a superfluity, and desires only to remain in hiding".

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