There is joy in work. There is no happiness except in the realization that we have accomplished something.

Why should I clutter my mind with general information when I have men around me who can supply any knowledge I need?

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.

success is 99% failure

Nothing is particularly hard if you divide it into small jobs.

There is no man living that can not do more than he thinks he can.

Anyone who keeps learning stays young.