Often the difference between a successful man and a failure is not one's better abilities or ideas, but the courage that one has to bet on his ideas, to take a calculated risk — and to act.

For imagination sets the goal picture which our automatic mechanism works on. We act, or fail to act, not because of will, as is so commonly believed, but because of imagination.

Self-improvement is the name of the game, and your primary objective is to strengthen yourself, not to destroy an opponent.

The minute that we change our minds, and stop giving power to the past, the past with its mistakes loses power over us.

You can do only one thing at a time. I simply tackle one problem and concentrate all efforts on what I am doing at the moment.

What is opportunity, and when does it knock? It never knocks. You can wait a whole lifetime, listening, hoping, and you will hear no knocking. None at all. You are opportunity, and you must knock on the door leading to your destiny. You prepare yourself to recognize opportunity, to pursue and seize opportunity as you develop the strength of your personality, and build a self-image with which you are able to live - with your self-respect alive and growing.

Your most important sale in life is to sell yourself to yourself.