One road to happiness is to cultivate curiosity about everything. Not only about people but about subjects, not only about the arts but about history and foreign customs. Not only about countries and cities, but about plants and animals. Not only about lichened rocks and curious markings on the bark of trees, but about stars and atoms. Not only about your friends but about that strange labyrinth we inhabit which we call ourselves. Then, if we do that, we will never suffer a moment's boredom.

Old age takes away from us what we have inherited and gives us what we have earned.

Every writer and artist wonders what in the world people of other professions can find to live for.

The cliche is dead poetry.

A bad memory is the mother of invention.

Words are as recalcitrant as circus animals, and the unskilled trainer can crack his whip at them in vain.

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.