The will to overcome an emotion, is ultimately only the will of another, or of several other, emotions.

In his heart every man knows quite well that, being unique, he will be in the world only once and that no imaginable chance will for a second time gather together into a unity so strangely variegated an assortment as he is: he knows it but hides it like a bad conscience.

Death is close enough at hand so we do not need to be afraid of life.

Whoever feels predestined to see and not to believe will find all believers too noisy and pushy: he guards against them.

There are no moral phenomena at all, but only a moral interpretation of phenomena.

I call a lie: wanting not to see something one does see, wanting not to see something as one sees it... The most common lie is the lie one tells to oneself; lying to others is relatively the exception.

Whereas the man of action binds his life to reason and its concepts so that he will not be swept away and lost, the scientific investigator builds his hut right next to the tower of science so that he will be able to work on it and to find shelter for himself beneath those bulwarks which presently exist.