The happiest people in this world are those who have the most interesting thoughts.

The belief that youth is the happiest time of life is founded on fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

If I were running the world I would have it rain only between 2 and 5 a.m. Anyone who was out then ought to get wet.

There is never much trouble in any family where the children hope someday to resemble their parents.

Honesty is not necessarily the best policy. The best policy would be to acquire a reputation for honesty and then to cheat at the psychological moment.

Life, with all it's sorrows, cares, perplexities and heart-breaks, is more interesting than bovine placidity, hence more desirable. The more interesting it is, the happier it is.

In a start-up company, you basically throw out all assumptions every three weeks.