Science herself consults her heart when she lays it down that the infinite ascertainment of fact and correction of false belief are the supreme goods for man.

For I had often said that the best argument I knew for an immortal life was the existence of a man who deserved one as well as Child did.

If there is aught of good in the style, it is the result of ceaseless toil in rewriting. Everything comes out wrong with me at first; but when once objectified in a crude shape, I can torture and poke and scrape and pat it till it offends me no more.

To consider hypotheses is surely always better than to dogmatize ins blaue hinein

I take it that no man is educated who has never dallied with the thought of suicide.

There is no being capable of a spiritual life who does not have within him a jungle. Where the wolf constantly HOWLS and the OBSCENE bird of night chatters endlessly.

Round about the accredited and orderly facts of every science there ever floats a sort of dust-cloud of exceptional observations, of occurrences minute and irregular and seldom met with, which it always proves more easy to ignore than to attend to... Anyone will renovate his science who will steadily look after the irregular phenomena, and when science is renewed, its new formulas often have more of the voice of the exceptions in them than of what were supposed to be the rules.