A belief which leaves no place for doubt is not a belief; it is a superstition.

You can say the opposite of something you've said but you can't do the opposite of something you've done.

To sin offers repentance and forgiveness; not to sin offers only punishment.

It may be impossible to have a revolution without crimes but that does not make revolution a crime.

You need to have a God, a lover, and an enemy, says the poet. Exactly: you need to have three enemies.

An ignorance of Marx is as frequent among Marxists as an ignorance of Christ is among Catholics.

To be ready to fail is to be prepared for success.