"Meaningful work and meaningful relationships are the keys to a good life."

"You never know how much you really believe anything until its truth or falsehood becomes a matter of life and death to you."

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

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

"Love is never wasted, for its value does not rest upon reciprocity."

"Remember, you can earn more money, but when time is spent it is gone forever."