You generally hear that what a man doesn't know doesn't hurt him, but in business what a man doesn't know does hurt.

Everyone is a bore to someone. That is unimportant. The thing to avoid is being a bore to oneself.

Those who have some means think that the most important thing in the world is love. The poor know that it is money.

Wisdom is keeping a sense of fallibility of all our views and opinions.

Intellectuals are people who believe that ideas are of more importance than values. That is to say, their own ideas and other people's values.

We are closer to the ants than to the butterflies. Very few people can endure much leisure.