“It's faith in something and enthusiasm for something that makes a life worth living.”

“Insanity is often the logic of an accurate mind overtasked. Good mental machinery ought to break its own wheels and levers, if anything is thrust among them suddenly which tends to stop them or rev...”

“The best of a book is not the thought which it contains, but the thought which it suggests; just as the charm of music dwells not in the tones but in the echoes of our hearts.”

“Beware how you take away hope from another human being”

“Don't flatter yourself that friendship authorizes you to say disagreeable things to your intimates. The nearer you come into relation with a person, the more necessary do tact and courtesy become. ...”

“When I think of talking, it is of course with a woman. For talking at its best being an inspiration, it wants a corresponding divine quality of receptiveness, and where will you find this but in a ...”

“We kill all the caterpillars, then complain there are no butterflies.”

“Where ignorance is our master, there is no possibility of real peace.”

“You can be used by someone for their aims when you are not aware of your true being”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”