Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

Success is never final. Failure is never fatal. It s courage that counts.

It has been my observation that most people get ahead during the time that others waste

I don't want to achieve immortality through my work... I want to achieve it through not dying.

If you do not change direction, you may end up where you are heading.

Don't gamble; take all your savings and buy some good stock and hold it till it goes up, then sell it. If it don't go up, don't buy it.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

The best way to destroy an enemy is to make him a friend.

Genius is eternal patience.

If you treat people right they will treat you right - ninety percent of the time.

If you aspire to the highest place, it is no disgrace to stop at the second, or even the third, place.

Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

Discipline is the bridge between goals and accomplishment.

With any part you play, there is a certain amount of yourself in it. There has to be, otherwise it's just not acting. It's lying.

It is hard to fail, but it is worse never to have tried to succeed.

A great secret of success is to go through life as a man who never gets used up.

To know what people really think, pay regard to what they do, rather than what they say.

You gain strength, courage and confidence by every experience in which you really stop to look fear in the face.... You must do the thing you think you cannot do.

Good actions give strength to ourselves and inspire good actions in others.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.