The laws of animality govern almost the whole of history.

There is only one way of not hating those who do us wrong, and that is by doing them good.

In health there is freedom. Health is the first of all liberties.

Doing easily what others find difficult is talent; doing what is impossible for talent is genius.

There is no respect for others without humility in one's self.

Action is coarsened thought; thought becomes concrete, obscure, and unconscious.

Tell me what you feel in your room when the full moon is shining in upon you and your lamp is dying out, and I will tell you how old you are, and I shall know if you are happy.