My own belief is that in most ages and in most places obscure psychological forces led men to adopt systems involving quite unnecessary cruelty, and that this is still the case among the most civilized races at the present day.

If any philosopher had been asked for a definition of infinity, he might have produced some unintelligible rigmarole, but he would certainly not have been able to give a definition that had any meaning at all.

As soon as it is held that any belief, no matter what, is important for some other reason than that it is true, a whole host of evils is ready to spring up.

It seems to be the fate of idealists to obtain what they have struggled for in a form which destroys their ideals.

Fools and fanatics are always so certain of themselves.

Anything you're good at contributes to happiness.

We love our habits more than our income, often more than our life.