Human existence is an error...it is bad today and every day it gets worse, until the worst happens.

Materialism is the philosophy of the subject who forgets to take account of himself.

Any book, which is at all important, should be reread immediately

To feel envy is human, to savour schadenfreude is devilish

You can do what you will, but in any given moment of your life you can will only one definite thing and absolutely nothing other than that one thing.

If the world were a paradise of luxury and ease, a land flowing with milk and honey, where every Jack obtained his Jill at once and without any difficulty, men would either die of boredom or hang themselves; or there would be wars, massacres, and murders; so that in the end mankind would inflict more suffering on itself than it has now to accept at the hands of Nature.

Any foolish boy can stamp on a beetle, but all the professors in the world cannot make a beetle.