". . .the fact that both the affirmation and rejection of the concept of original sin have emerged as powerful destructive forces in our history is one of the many that testify in favor of the reality of original sin. In other words, we face a peculiar situation in which the disastrous consequences of assenting to either of two incompatible theories confirm one of them and testify against its rival."
Leszek Kolakowski, Modernity on Endless Trial