It is not enough to know what is good: you must be able to do it.

New opinions often appear first as jokes and fancies, then as blasphemies and treason, then as questions open to discussion, and finally as established truths.

A man of great common sense and good taste - meaning thereby a man without originality or moral courage.

Life at its noblest leaves mere happiness far behind; and indeed cannot endure it. Happiness is not the object of life: life has no object: it is an end in itself; and courage consists in the readiness to sacrifice happiness for an intenser quality of life.

You accepted Allah or you had your throat cut by someone who did accept him, and who went to Paradise for having sent you to Hell.

It's not that I'm so clever, it is that others are so stupid.

After all, the wrong road always leads somewhere.