Consider whether fulfillment of the goal you have chosen will constitute success. What is success? If you possess health and wealth, but have trouble with everybody (including yourself), yours is not a successful life. Existence becomes futile if you cannot find happiness. When wealth is lost, you have lost a little; when health is lost, you have lost something of more consequence; but when peace of mind is lost, you have lost the highest treasure.

I got a fortune cookie that said, "To remember is to understand." I have never forgotten it. A good judge remembers what it was like to be a lawyer. A good editor remembers being a writer. A good parent remembers what it was like to be a child.

It is the quality of our work which will please God and not the quantity.

For what can be more noble than to slay oneself? Not literally. Not with a blade in the guts. But to extinguish the selfish self within, that part which looks only to its own preservation, to save its own skin. That, I saw, was the victory you Spartans had gained over yourselves. That was the glue. It was what you had learned and it made me stay, to learn it too.

From that time forth he believed that the wise man is one who never sets himself apart from other living things, whether they have speech or not, and in later years he strove long to learn what can be learned, in silence, from the eyes of animals, the flight of birds, the great slow gestures of trees.

Without imagination we can go nowhere. And imagination is not restricted to the arts. Every scientist I have met who has been a success has had to imagine.