"A professional is a person who can do his best at a time when he doesn't particularly feel like it."

"It's always useful to know where a friend-and-relation is, whether you want him or whether you don't."

"It was one of those perfect English autumnal days which occur more frequently in memory than in life."

"I am somehow less interested in the weight and convolutions of Einstein's brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops."

"Joy is not a thing, it is in us."

"Sometimes when reading Goethe I have a paralyzing suspicion that he is trying to be funny."

"Science can destroy religion by ignoring it as well as by disproving its tenets. No one ever demonstrated, so far as I am aware, the non-existence of Zeus or Thor - but they have few followers now."

"The easiest thing in the world to be is you. The most difficult thing to be is what other people want you to be. Don't let them put you in that position."

"Men are more accountable for their motives, than for anything else; and primarily, morality consists in the motives, that is in the affections."

"You get the best out of others when you give the best of yourself."

"A mind forever voyaging through strange seas of thought, alone."

"Behind every successful man there are usually a lot of unsuccessful years."