Wonder is very important, because if we never wondered, we would never get to the point of asking questions. Yet wonder may lead people to write poetry or to paint pictures or to pray, as well as to ask the kinds of questions about the world and themselves that can be answered by science.

All of us who grew up before World War II are immigrants in time, immigrants from an earlier world, living in an age essentially different from anything we knew before.

Manners, really good ones, make it possible to live with almost anyone, gracefully and pleasantly.

Those social behaviors which automatically preclude the building of a democratic world must go - every social limitation of human beings in terms of heredity, whether it be of race, or sex, or class. Every social institution which teaches human beings to cringe to those above and step on those below must be replaced by institutions which teach people to look each other straight in the face.

War is only an invention, not a biological necessity.

One characteristic of Americans is that they have no toleration at all of anybody putting up with anything. We believe that whatever is going wrong ought to be fixed.

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