Where does he say that? Despair is sin only in that it prevents one from living in accordance to the will of God. Despair in and of itself does not precipitate sin.Got it. Have you read The Sickness Unto Death by Kierkegaard? He believed that anxiety preceded the origianal sin, and that in each human being anxiety comes before sin. And that human beings sin not because Adam sinned, but because they have anxiety.