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.

If the Martians ever find out how human beings think, they'll kill themselves laughing.

I would have liked having children to some degree, but frankly I haven't got the time to take the kids to the goddamn ballgame.

The goal of all life is to have a ball.

Much of what we call emotion is nothing more or less than a certain kind - a biased, prejudiced, or strongly evaluative kind - of thought.

Freud had a gene for inefficiency, and I think I have a gene for efficiency.

We'd better work hard on getting rid of that must - Other people must do what I want them to do!" It's what makes people hostile, nasty, mean and combative, and it leads to feuds, wars and genocide. We'd better do something about that.