"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."
"Science is the topography of ignorance."
"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 woman?"
"It's faith in something and enthusiasm for something that makes a life worth living."
"The books we read should be chosen with great care, that they may be, as an Egyptian king wrote over his library,'The medicines of the soul."
"Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground floor."