One should be able to say to our children: You are a marvel! You are unique. In all the world, there is no other child exactly like you. In the millions of years that have passed, there has never been another child like you! ... and when you grow up, can you harm another who is, like you, a marvel?

As long as one can admire and love, then one is young forever.

Each person has inside a basic decency and goodness. If he listens to it and acts on it, he is giving a great deal of what it is the world needs most. It is not complicated but it takes courage. It takes courage for a person to listen to his own goodness and act on it.

I do not think a day passes in my life in which I fail to look with fresh amazement at the miracle of nature.

To retire is to begin to die.

The situation is hopeless, we must take the next step.

Of course, I continue to play and to practice. I think I would do so if I lived for another hundred years.