To live is not enough; we must take part.

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?

Beauty is all about us, but how many are blind! They look at the wonder of this earth and seem to see nothing. People move hectically but give little thought to where they are going. They seek excitement ... as if they were lost and desperate.

Parents shouldn't lie to their children-not even when they think it's for their own good. Even a little lie is dangerous.

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

The simplest things in music are the ones that count. The simplest thing are, of course, also the most difficult to achieve and take years of work.

The answer to helplessness is not so very complicated.