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

When I was 16 I started keeping a diary in which I recorded my disagreements with the famous philosophers. I didn't insist that they were wrong, that I was right and I had to prevail. I just agreed and disagreed with them. I thought there was a high degree of probability that I was right and some other thinkers were wrong. But I wasn't positive about it.

Worry itself is one of the most painful conditions.

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.

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.

Unless, of course, you insist on identifying yourself with the people and things you love; and thereby seriously disturb yourself.

You have only to exist as you do and to live your life as best you can.