"I have never been able to read a book in my life without being interrupted."

"I think, at a child's birth, if a mother could ask a fairy godmother to endow it with the most useful gift, that gift would be curiosity."

"You can't just talk about it. You have to be about it."

"Since you get more joy out of giving joy to others, you should put a good deal of thought into the happiness that you are able to give."

"I think that the greatest contribution that I could make would be to help people to think for themselves."