..., twice two is four is not life, gentlemen, but the beginning of death.

I am a sick man...I am a spiteful man. I am an unattractive man. I think my liver is diseased. Then again, I don't know a thing about my illness; I'm not even sure what hurts.

If the spirit has passed through a great many sensations, possibly it can no longer be sated with them, but grows more excited, and demands more sensations, and stronger and stronger ones, until at length it falls exhausted.

If you happen to have a wart on your nose or forehead, you cannot help imagining that no one in the world has anything else to do but stare at your wart, laugh at it, and condemn you for it, even though you have discovered America.

And do you know, do you know that mankind can live without the Englishman, it can live without Germany, it can live only too well without the Russian man, it can live without science, without bread, and it only cannot live without beauty, for then there would be nothing at all to do in the world! The whole secret is here, the whole of history is here. Science itself would not stand for a minute without beauty

The mystery of human existence lies not in just staying alive, but in finding something to live for.

People with new ideas, people with the faintest capacity for saying something new, are extremely few in number, extraordinarily so, in fact.