Hope in reality is the worst of all evils because it prolongs the torments of man.

Astrology presupposes that the heavenly bodies are regulated in their movements in harmony with the destiny of mortals: the moral man presupposes that that which concerns himself most nearly must also be the heart and soul of things.

Because men really respect only that which was founded of old and has developed slowly, he who wants to live on after his death must take care not only of his posterity but even more of his past.

Go up close to your friend, but do not go over to him! We should also respect the enemy in our friend.

One must separate from anything that forces one to repeat No again and again.

In a seriously intended intellectual emancipation a person's mute passions and cravings also hope to find their advantage.

To go on vegetating in cowardly dependence on physicians and machinations, after the meaning of life, the right to life, has been lost, that ought to prompt a profound contempt in society.