If one cannot state a matter clearly enough so that even an intelligent twelve-year-old can understand it, one should remain within the cloistered walls of the university and laboratory until one gets a better grasp of one's subject matter.

We grow up never questioning that which is unquestioned around us.

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.

to the extent that either sex is disadvantaged, the whole culture is poorer, and the sex that, superficially, inherits the earth, inherits only a very partial legacy. The more whole the culture, the more whole each member, each man, each woman, each child will be.

Many women, particularly young women, have claimed the right to use the most explicit sex terms, including extremely vulgar ones, in public as well as private. But it is men, far more than women, who have been liberated by this change. For now that women use these terms, men no longer need to watch their own language in the presence of women. But is this a gain for women?

Photographs [are] of course heavily dependent upon the culture, the disciplinary point of view and the idiosyncratic vision of the particular photographer-analyst.

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