Anyone who stops learning is old — whether this happens at twenty or at eighty. Anyone who keeps on learning not only remains young but becomes constantly more valuable — regardless of physical capacity.

The human mind is a channel through which things-to-be are coming into the realm of things-that-are .

Three rules: I do not eat too much; I do not worry too much; and, if I do my best, I believe that what happens, happens for the best.

As we serve our jobs we serve the world.

A poor man is not the one without a cent. A poor man is the one without a dream.

I don’t know much about history, and I wouldn’t give a nickel for all the history in the world. It means nothing to me. History is more or less bunk. It's tradition. We don't want tradition. We want to live in the present and the only history that is worth a tinker's damn is the history we make today.

It is failure that is easy. Success is always hard.