If ye would go up high, then use your own legs! Do not get yourselves carried aloft; do not seat yourselves on other people's backs and heads!

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

Talking much about oneself may be a way of hiding oneself.

The usual false conclusions of mankind are these: a thing exists, therefore it has a right to exist.

Concerning great things one should either be silent or speak loftily.

The most spiritual human beings, assuming they are the most courageous, also experience by far the most painful tragedies: but it is precisely for this reason that they honor life, because it brings against them its most formidable weapons.

Necessity is not an established fact, but an interpretation.