At the beginning of a marriage ask yourself whether this woman will be interesting to talk to from now until old age. Everything else in marriage is transitory: most of the time is spent in conversation.

The most intelligent men, like the strongest, find their happiness where others would find only disaster: in the labyrinth, in being hard with themselves and with others, in effort; their delight is self-mastery; in them asceticism becomes second nature, a necessity, as instinct.

We believe that we know something about the things themselves when we speak of trees, colors, snow, and flowers; and yet we possess nothing but metaphors for things - metaphors which correspond in no way to the original entities.

Idleness is the beginning of all psychology. What? Could it be that psychology is ? a vice?

This demand follows from an insight that I was the first to articulate: that there are no moral facts.

Faith makes blessed. Consequently it lies.

I love those who do not know how to live, except by going under, for they are those who cross over.