A casual stroll through the lunatic asylum shows that faith does not prove anything.

Do whatever you will, but first be such as are able to will.

Nothing has been purchased more dearly than the little bit of reason and sense of freedom which now constitutes our pride.

Is man one of God’s blunders? Or is God one of man’s blunders?

That which does not kill us makes us stronger.

The aphorism in which I am the first master among Germans, are the forms of “eternity”; my ambition is to say in ten sentences what everyone else says in a book – what everyone else does not say in a book.

Many a man fails as an original thinker simply because his memory it too good.

I do not know what the spirit of a philosopher could more wish to be than a good dancer. For the dance is his ideal, also his fine art, finally also the only kind of piety he knows, his “divine service.”

Whoever battles with monsters had better see that it does not turn him into a monster. And if you gaze long into an abyss, the abyss will gaze back into you.

In every real man a child is hidden that wants to play.