A contemporary or near-future book is much harder because you can't fake the facts. There are people alive who know much more than you do about the subject. You have to really have your research together - and of course no one can know everything about a topic.

Never forget: This very moment, we can change our lives. There never was a moment, and never will be, when we are without the power to alter our destiny.

To yield to Resistance deforms our spirit. It stunts us and makes us less than we are and were born to be.

Be too dumb to quit and too stubborn to back off.

The professional learns to recognize envy-driven criticism and to take it for what it is: the supreme compliment. The critic hates most that which he would have done himself if he had had the guts.

It’s better to be in the arena, getting stomped by the bull, than to be up in the stands or out in the parking lot.

The professional, though he accepts money, does his work out of love. He has to love it. Otherwise he wouldn’t devote his life to it of his own free will.