One of the most dangerous things that can happen to a child is to kill or torture an animal and get away with it.

Our first and most pressing problem is how to do away with warfare as a method of solving conflicts between national groups or between groups within a society who have different views about how the society is to be run. If you look back, you will see that warfare was an invention, just as ways of handling government or taxes are inventions. You will see, too, that once people use an invention they go on using it until they find another which they think is superior.

Warfare ... is just an invention, older and more widespread than the jury system, but none the less an invention.

We make our own criminals, and their crimes are congruent with the national culture we all share. It has been said that a people get the kind of political leadership they deserve. I think they also get the kinds of crime and criminals they themselves bring into being.

There is no more creative force in the world than the menopausal woman with zest.

The prophet who fails to present a bearable alternative and yet preaches doom is part of the trap that he postulates.

We are at a point in history where a proper attention to space, and especially near space, may be absolutely crucial in bringing the world together.