You say a good cause justifies any war; but I say a good war justifies any cause.

Truly, it is a blessing and not a blasphemy when I teach that "above all things there stands the heaven of chance, the heaven of innocence, the heaven of accident, the heaven of wantonness".

A man who is very busy seldom changes his opinions.

What doesn't kill you make you stronger.

That for which we find words is something already dead in our hearts.

Art is essentially the affirmation, the blessing, and the deification of existence.

Deception, flattering, lying, deluding, talking behind the back, putting up a false front, living in borrowed splendor, wearing a mask, hiding behind convention, playing a role for others and for oneself -- in short, a continuous fluttering around the solitary flame of vanity -- is so much the rule and the law among men that there is almost nothing which is less comprehensible than how an honest and pure drive for truth could have arisen among them.