If we are to give our utmost effort and skill and enthusiasm, we must believe in ourselves, which means believing in our past and in our future, in our parents and in our children, in that particular blend of moral purpose and practical inventiveness which is the American character.

And as I had my father's kind of mind-which was also his mother's-I learned that the mind is not sex-typed.

Men have always been afraid that women could get along without them.

You know you love someone when you cannot put into words how they make you feel.

No society has ever yet been able to handle the temptations of technology to mastery, to waste, to exuberance, to exploration and exploitation... We have to learn to cherish this earth and cherish it as something that's fragile, that's only one, it's all we have... We have to use our scientific knowledge to correct the dangers that have come from science and technology.

I have spent most of my life studying the lives of other peoples - faraway peoples - so that Americans might better understand themselves.

Keeping even the most humble talent wrapped in a napkin becomes the more reprehensible the greater the emergency.