When I was young, I observed that nine out of ten things I did were failures. So I did ten times more work.

The young feel tired at the end of an action the old at the beginning.

Inside every old person is a young person wondering what happened.

If you're young and talented, it's like you have wings.

A child develops best when, like a young plant, he is left undisturbed in the same soil. Too much travel, too much variety of impressions, are not good for the young, and cause them as they grow up to become incapable of enduring fruitful monotony.