"What we call Man's power over Nature turns out to be a power exercised by some men over other men with Nature as its instrument."

"Failures are finger posts on the road to achievement."

"Friendship is unnecessary, like philosophy, like art... It has no survival value; rather it is one of those things that give value to survival."

"Education without values, as useful as it is, seems rather to make man a more clever devil."

"Fame is like a river, that beareth up things light and swollen, and drowns things weighty and solid."

"In the quiet sanctuary of self-reflection, the soul finds its rhythm. Such is the immutable nature of understanding."

"In this business you have to develop a thick skin, but I'm always going to feel everything. It's my nature."

"In general, mankind, since the improvement of cookery, eats twice as much as nature requires."