Every person has his or her own vocation-talent is the call.

My book should smell of pines and resound with the hum of insects.

The religion that is afraid of science dishonors God and commits suicide.

When he is pushed, tormented, defeated, he has a chance to learn something; he has been put on his wits, on his manhood; he has gained facts; learns his ignorance; is cured of the insanity of conceit; has got moderation and real skill.

Books are the best of things, well used; abused, among the worst...They are for nothing but to inspire.

Life is an ecstasy. Life is sweet as nitrous oxide.

Every mind must make its choice between truth and repose. It cannot have both.