One has been a poor spectator of life if one has not witnessed the hand - that kills from mercy.

I fly in dreams, I know it is my privilege, I do not recall a single situation in dreams when I was unable to fly. To execute every sort of curve and angle with a light impulse, a flying mathematics - that is so distinct a happiness that it has permanently suffused my basic sense of happiness.

The true man wants two things: danger and play. For that reason he wants woman, as the most dangerous plaything.

Only with the ultimate knowledge of all things will man have come to know himself. For things are but the boundaries of man.

The soul must have its chosen sewers to carry away its ordure. This function is performed by persons, relationships, professions, the fatherland, the world, or finally, for the really arrogant - I mean our modern pessimists - by the Good God himself.

Inexperienced girls flatter themselves with the notion that it is in their power to make a man happy.

Over immense periods of time the intellect produced nothing but errors. A few of these proved to be useful and helped to preserve the species: those who hit upon or inherited these had better luck in their struggle for themselves and their progeny. Such erroneous articles of faith... include the following: that there are things, substances, bodies; that a thing is what it appears to be; that our will is free; that what is good for me is also good in itself.