Those people have no real interest in a science who only begin to get excited about it when they themselves have made discoveries in it.

One may sometimes tell a lie, but the grimace that accompanies it tells the truth.

Inexperienced girls flatter themselves with the notion that it is in their power to make a man happy.

So far no one had had enough courage and intelligence to reveal me to my dear Germans. My problems are new, my psychological horizon frighteningly comprehensive, my language bold and clear; there may well be no books written in German which are richer in ideas and more independent than mine.

Every virtue has its privilege: for example, that of contributing its own little bundle of wood to the funeral pyre of one condemned.

Whoever has looked deeply into the world might well guess what wisdom lies in the superficiality of men.

Whatever the State saith is a lie; whatever it hath is a theft: all is counterfeit in it, the gnawing, sanguinary, insatiate monster.