
The Sickness Unto Death is a book written by Danish philosopher Søren Kierkegaard in 1849 under the pseudonym Anti-Climacus. A work of Christian existentialism, the book is about Kierkegaard's concept of despair, which he equates with the Christian concept of sin, particularly original sin.

Either/Or is the first published work of the Danish philosopher Søren Kierkegaard. Appearing in two volumes in 1843 under the pseudonymous authorship of Victor Eremita it outlines a theory of human development in which consciousness progresses from an essentially hedonistic, aesthetic mode to one characterized by …

Either/Or is the first published work of the Danish philosopher Søren Kierkegaard. Appearing in two volumes in 1843 under the pseudonymous authorship of Victor Eremita it outlines a theory of human development in which consciousness progresses from an essentially hedonistic, aesthetic mode to one characterized by …