“There are three musts that hold us back: I must do well. You must treat me well . And the world must be easy.”

“Life is indeed difficult, partly because of the real difficulties we must overcome in order to survive, and partly because of our own innate desire to always do better, to overcome new challenges, to self-actualize. Happiness is experienced largely in striving towards a goal, not in having attained things, because our nature is always to want to go on to the next endeavor.”

“A man must be prepared to face life, as well as death, there's no escape from either.”

“What I believe to be true I must therefore preserve. What seems to me so obvious, even against me, I must support.”

“The best years of your life are the ones in which you decide your problems are your own. You do not blame them on your mother, the ecology, or the president. You realize that you control your own destiny.”

“The individual must not merely wait and criticize, he must defend the cause the best he can. The fate of the world will be such as the world deserves.”

“The emotionally mature individual should completely accept the fact that we live in a world of probability and chance, where there are not, nor probably ever will be, any absolute certainties, and should realize that it is not at all horrible, indeed—such a probabilistic, uncertain world.”