The love we give away is the only love we keep.

Woman's inaptitude for reasoning has not prevented her from arriving at truth; nor has man's ability to reason prevented him from floundering in absurdity.

So long as governments set the example of killing their enemies, private individuals will occasionally kill theirs.

Let a man once see himself as others see him, and all enthusiasm vanishes from his heart.

The weaknesses of the many make the leader possible.

Our admiration is so given to dead martyrs that we have little time for living heroes.

The church saves sinners, but science seeks to stop their manufacture.