A soul which knows that it is loved, but does not itself love, betrays its sediment: its dregs come up.

Every achievement, every step forward in knowledge, is the consequence of courage, of toughness towards oneself, of sincerity to oneself

A friend whose hopes we cannot satisfy is a friend we would rather have as an enemy.

What we experience in dreams - assuming that we experience it often - belongs in the end just as much to the over-all economy of our soul as anything experienced "actually": we are richer or poorer on account of it.

If a woman possesses manly virtues, she is to be run away from; and if she does not possess them, she runs away herself.

The author must keep his mouth shut when his work starts to speak.

Love of one is a piece of barbarism: for it is practised at the expense of all others. Love of God likewise.