In proportion to the mental energy he spent, the man who creates a new invention receives but a small percentage of his value in terms of material payment, no matter what fortune he makes, no matter what millions he earns. But the man who works as a janitor in the factory producing that invention, receives an enormous payment in proportion to the mental effort that his job requires of him. And the same is true of all men between, on all levels of ambition and ability.

Money is just a tool. It will take you anywhere you want, but you have to be the driver

Learn to value yourself, which means: fight for your happiness.

The man without a purpose is a man who drifts at the mercy of random feelings or unidentified urges and is capable of any evil, because he is totally out of control of his own life. In order to be in control of your life, you have to have a purpose-a productive purpose.

If he can give his readers no reason why they should read his book, except that the events happened to him, it is not a valid book.

Because the beauty of the human body is that it hasn't a single muscle which doesn't serve its purpose; that there's not a line wasted; that every detail of it fits one idea, the idea of a man and the life of a man.

The age of the skyscraper is gone. This is the age of the housing project. Which is always a prelude to the age of the cave.