"If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man."

"I have no special talent. I am only passionately curious."

"I've had a perfectly wonderful evening, but this wasn't it."

"I have found that the best way to give advice to your children is to find out what they want and then advise them to do it."

"I was sorry to have my name mentioned as one of the great authors, because they have a hell of a time in heaven."