“Sometimes I worry about being a success in a mediocre world.”

“When a man says he approves of something in principle, it means he hasn’t the slightest intention of putting it into practice.”

“The only thing that lasts longer than a friend’s love is the stupidity that keeps us from knowing any better.”

“You must learn from the mistakes of others. You can’t possibly live long enough to make them all yourself.”

“My idea of an agreeable person is a person who agrees with me.”

“The main things which seem to me important on their own account, and not merely as means to other things, are knowledge, art, instinctive happiness, and relations of friendship or affection.”

“The only reason some people get lost in thought is because it’s unfamiliar territory.”

“It is our responsibilities, not ourselves, that we should take seriously.”

“A man with a watch knows what time it is. A man with two watches is never sure.”

“2 is not equal to 3, not even for large values of 2.”