Philosophers / Existentialism

Søren Kierkegaard

Søren Kierkegaard

デンマーク王国 1813-05-05 ~ 1855-11-11

19th-century Danish father of existentialism

Challenged Hegel's system from the standpoint of the 'single individual' and delineated three stages of existence

The foresight to see that more choices breed more anxiety, not less

Born in 1813 in Copenhagen, Denmark, Kierkegaard challenged Hegel's grand system-philosophy from the standpoint of the 'single individual,' placing subjective experiences — anxiety, despair, the leap of faith — at the center of philosophy. Through polyphonic works published under pseudonyms, he delineated three stages of existence: the aesthetic, the ethical, and the religious. Widely called the 'father of existentialism,' he prepared the ground for twentieth-century existentialist thought.

What You Can Learn

Kierkegaard's thought contains prescriptions of startling relevance for contemporary people exhausted by information overload and an excess of choice. His insight that 'anxiety is the dizziness of freedom' precisely identifies the modern paradox in which expanding career options and lifestyle flexibility only amplify unease. The point is not to eliminate anxiety but to embrace it as evidence of freedom. His three stages of existence — aesthetic, ethical, religious — chart a path of maturation from the pursuit of pleasure and efficiency alone, through decision-making grounded in personal values, to commitment to something beyond the self. For startup founders facing 'either/or' decisions, Kierkegaard teaches that there are moments of 'leap' that rational analysis alone cannot reach. In a social-media age where people are buffeted by others' evaluations, the proposition 'subjectivity is truth' is a call for the courage to take responsibility for one's own life through self-dialogue rather than seeking external validation.

Words That Resonate

Life can only be understood backwards; but it must be lived forwards.

Livet kan kun forstaaes baglænds; men det maa leves forlænds.

Journalen JJ:167 (Kierkegaard's journal, 1843)Verified

Anxiety is the dizziness of freedom.

Angest er Frihedens Svimmelhed.

Begrebet Angest (The Concept of Anxiety), 1844Verified

To dare is to lose one's footing momentarily; not to dare is to lose oneself.

Det at vove er at miste Fodfæstet for en kort Stund; det ikke at vove er at miste sig selv.

Journalen NB:35 (Kierkegaard's journal)Unverified

Despair is a sickness of the self, a sickness unto death.

Fortvivlelse er en Sygdom i Selvet, en Sygdom til Døden.

Sygdommen til Doden (The Sickness unto Death), 1849Verified

Subjectivity is truth.

Subjektiviteten er Sandheden.

Afsluttende uvidenskabelig Efterskrift (Concluding Unscientific Postscript), 1846Verified

Life & Legacy

Soren Aabye Kierkegaard was the thinker who reclaimed the question of 'how to live' as a matter of individual decision rather than of philosophical system. Born in May 1813 in Copenhagen as the youngest son of Michael Pedersen Kierkegaard, a prosperous wool merchant, he grew up in the shadow of a devout yet deeply melancholic father. From childhood Kierkegaard was drilled in dialectical dialogue by his father, imprinting both intellectual rigor and religious introspection at an early age. This intense paternal relationship formed the template for his later preoccupation with sin, anxiety, and faith.

While studying theology at the University of Copenhagen he was drawn to Romantic literature and philosophy, taking ten years to complete his degree. This dissolute student period later became the raw material for what he would call the 'aesthetic stage' of existence. In 1840 he became engaged to Regine Olsen, only to break off the engagement the following year. The reasons remain debated, but Kierkegaard himself referred to the decision throughout his life as a torn choice between religious vocation and personal happiness. This painful act of choosing lies at the very heart of his thought on 'either/or.'

Either/Or, published in 1843, juxtaposes letters from A, who embraces the aesthetic life, and B, who champions the ethical — without the author adjudicating which is correct. The reader is forced to choose. The same year, Fear and Trembling analyzed the biblical story of Abraham preparing to sacrifice his son Isaac, introducing the concept of the 'leap of faith' — committing one's entire existence to something uncertain without rational justification. This directly repudiated Hegel's subsumption of religion under reason.

Kierkegaard's most distinctive literary device is his systematic use of pseudonyms. Johannes Climacus, Anti-Climacus, Victor Eremita, and other fictitious authors articulate contradictory positions from different vantage points. This was not mere literary artifice but a methodology of 'indirect communication,' grounded in the conviction that truth cannot be transmitted objectively; it must be appropriated through the reader's own existence. The philosopher does not deliver conclusions; he maneuvers the reader into a confrontation with the self.

The Concept of Anxiety (1844) was a pioneering work that analyzed anxiety not as a mere psychological symptom but as the fundamental condition of a human being standing before freedom. The insight that we feel anxiety precisely because we possess the freedom to choose influenced Heidegger's ontology of Angst and, arguably, Freudian psychoanalysis. The Sickness unto Death followed with an anatomy of despair, developing a dialectic between the despair of refusing to be oneself and the despair of willing to be oneself. Its conclusion — that genuine self-recovery is possible only in relation to God — marks the summit of Kierkegaard's religious thought.

In his final years Kierkegaard turned to an open assault on the Danish State Church, denouncing institutionalized Christianity as a worldly compromise with no connection to the New Testament. He waged this campaign through pamphlets and a self-published journal, The Instant. In October 1855 he collapsed in the street; he died on November 11, 1855, at forty-two. He reportedly refused the sacrament on his deathbed, leaving the conflict between institutional religion and personal faith unresolved to the end.

Kierkegaard's influence exploded in the twentieth century. Jaspers and Heidegger connected his thought to ontology; Sartre and Camus developed it into atheistic existentialism. Karl Barth's dialectical theology also draws from a deep Kierkegaardian vein. His method — refusing the completion of a system and holding the reader in an open, unfinished question — speaks with particular force to an age drowning in answers.

Expert Perspective

In the history of Western philosophy, Kierkegaard is positioned as the first systematic critic of Hegel's philosophy of Absolute Spirit. By shifting the axis of ontology from universal reason to individual existence, he introduced a fundamental crack in the essentialist tradition running back to Plato. In ethics he advocated self-formation through the 'either/or' of decision; in epistemology he asserted the primacy of subjective truth over objective truth. He is the direct source of twentieth-century existentialists Sartre, Heidegger, and Jaspers, while his methodology of indirect communication also anticipates the deconstruction of Derrida and others.

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