...the incontestable truth is that America has been built up by optimists, not by pessimists, but by men possessing courage, confidence in the nation's destiny, by men willing to adventure, to shoulder risks terrifying to the timid.

He is a wise man who seeks by every legitimate means to make all the money he can honestly, for money can do so many worthwhile things in this world, not merely for one's self but for others. But he is an unmitigated fool who imagines for a moment that it is more important to make the money than to make it honestly. One of the advantages of possessing money is that it facilitates one's independence and mental attitude. The man head over heels in debt is more slave than independent.

The man who has won millions at the cost of his conscience is a failure.

Many a man has walked up to the opportunity for which he has long been preparing himself, looked it full in the face, and then begun to get cold feet... when it comes to betting on yourself and your power to do the thing you know you must do or write yourself down a failure, you're a chicken-livered coward if you hesitate.

Diamonds are only lumps of coal that stuck to their jobs.

Triumph often is nearest when defeat seems inescapable.

You have no idea how big the other fellow's troubles are.