That's the very reason they put rubbers on the end of pencils... because people make mistakes.

In most things success depends on knowing how long it takes to succeed.

The world belongs to the enthusiast who keeps cool.

Many are the wonders of the world, and none so wonderful as man.

The older I get, the greater power I seem to have to help the world.

Is not life a hundred times too short for us to bore ourselves?

All mistakes teach us something, so there are, in reality, no mistakes.

There are things that are not sayable. That's why we have art.

There’s nothing so kingly as kindness, and nothing so royal as truth.

Life is not meant to be easy, my child; but take courage: it can be delightful.

Only when we are no longer afraid do we begin to live.

Every noble work is at first impossible.