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

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.

If I had been a member of the academic establishment, I could have done other experiments.

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.

Beginning in the 1960s, many studies showed that people who hold what we call irrational beliefs are significantly more disturbed than when they don't hold them, and the more strongly they hold them, the more disturbed they tend to be.

The art of love is largely the art of persistence.

For that again, is what all manner of religion essentially is: childish dependency.