What we really need is to realize how little we really need.

If you never try anything new, you'll miss many of the world's great disappointments.

Every time I do it at least proves I can still do it.

I could do great things, if I weren't so busy doing little things.

I can face anything, except the future, and certain parts of the past and present.

It's well-known that men and women are different but it keeps being re-discovered with great excitement.

By the miracle of teaching, I can give you some of my ability, without losing any of it myself.