Before the effect one believes in different causes than one does after the effect.

If there is something to pardon in everything, there is also something to condemn.

What was formerly merely sickly now becomes indecent : it is indecent to be a Christian today.

The disappointed one speaks. I searched for great human beings; I always found only the apes of their ideals.

Necessity is not an established fact, but an interpretation.

All signs of superhuman nature appear in man as illness or insanity.

Only you must have worthy foes hate, but not enemies worthy of contempt. You must be proud of your enemy.