He who knows not how to plant his will in things at least endows them with some meaning: that is to say, he believes that a will is already present in them (A principle of faith.)

Physiologists should think before putting down the instinct of self-preservation as the cardinal instinct of an organic being. A living thing seeks above all to discharge its strength--life itself is will to power; self-preservation is only one of the indirect and most frequent results.

Priests ... these turkey-cocks of God.

If a man wishes to rid himself of a feeling of unbearable oppression, he may have to take hashish.

How can anyone become a thinker unless he spends at least a third of every day away from passions, people, and books?

There are highly gifted spirits who are always infertile simply because, owing to a weakness in temperament, they are too impatient to wait out their pregnancy to term.

There was at all events one advantage in the choice of this day to my birth; my birthday throughout the whole of my childhood was a day of public rejoicing.