''De omnibus dubitandum est'' is a book written by

Søren Kierkegaard Søren Aabye Kierkegaard ( , , ; 5 May 1813 – 11 November 1855) was a Danish theologian, philosopher, poet, social critic, and religious author who is widely considered to be the first existentialist philosopher. He wrote critical texts on ...

(about the pseudonym Johannes Climacus), which translates to "everything must be doubted". It was published

posthumously Posthumous may refer to: * Posthumous award - an award, prize or medal granted after the recipient's death * Posthumous publication – material published after the author's death * ''Posthumous'' (album), by Warne Marsh, 1987 * ''Posthumous'' (E ...

.''Johannes Climacus, or, De omnibus dubitandum est, and A sermon''
Translated, with an assessment by T. H. Croxall, Stanford University Press, 1958 The book portrays the existential consequences of assuming

Cartesian doubt Cartesian doubt is a form of methodological skepticism associated with the writings and methodology of René Descartes (March 31, 1596Feb 11, 1650). Scruton, R.''Modern Philosophy: An Introduction and Survey''(London: Penguin Books, 1994). Leiber, ...

, the method of modern philosophy, to its last consequences. The themes portrayed by this book are followed in the subsequent books written by Kierkegaard under the name of Climacus: ''

Philosophical Fragments ''Philosophical Fragments'' (Danish title: ) is a Christian philosophical work written by Danish philosopher Søren Kierkegaard in 1844. It was the second of three works written under the pseudonym ''Johannes Climacus''; the other two were ''De o ...

'' and its ''

Concluding Unscientific Postscript ''Concluding Unscientific Postscript to the Philosophical Fragments'' ( da, Afsluttende uvidenskabelig Efterskrift til de philosophiske Smuler) is a major work by Søren Kierkegaard. The work is an attack against Hegelianism, the philosophy of He ...

''.

References

Web

London Review of Books video review of Johannes Climacus
Books by Søren Kierkegaard Works published under a pseudonym Latin philosophical phrases {{Latin-vocab-stub