I have known not a few men who, after reaching the summits of business success, found themselves miserable on attaining retirement age. They were so exclusively engrossed in their day to day affairs that they had no time for friend making.

The fellow who isn't fired with enthusiasm is apt to be fired.

Many of the most successful men I have known have never grown up. Youthfulness of spirit is the twin brother of optimism... Resist growing up!

The be-all and end-all of life should not be to get rich, but to enrich the world.

Think not of yourself as the architect of your career but as the sculptor. Expect to have to do a lot of hard hammering and chiselingand scraping and polishing.

Madame Curie didn't stumble upon radium by accident. She searched and experimented and sweated and suffered years before she found it. Success rarely is an accident.

A shady business never yields a sunny life.