God will bless you,' said he, 'you are an angel since you take care of the flowers.' 'No,' she replied. 'I am the devil, but that's all the same to me.

Science says the first word on everything, and the last word on nothing.

Philosophy should be an energy; it should find its aim and its effect in the amelioration of mankind.

During a wise man's whole life, his destiny holds his philosophy in a state of siege.

There exists, at the bottom of all abasement and misfortune, a last extreme which rebels and joins battle with the forces of law and respectability in a desperate struggle, waged partly by cunning and partly by violence, at once sick and ferocious, in which it attacks the prevailing social order with the pin-pricks of vice and the hammer-blows of crime.

If the infinite had no me, then me would be its limit. It would not be the infinite, therefore it would not be.

Beauty is as useful as the useful. More so, perhaps. (Le beau est aussi utile que l'utile. Plus peut-etre.)