Most human beings, though in varying degrees, desire to control, not only their own lives but also the lives of others

Boys and young men acquire readily the moral sentiments of their social milieu, whatever these sentiments may be.

Every philosophical problem, when it is subjected to the necessary analysis and justification, is found either to be not really philosophical at all, or else to be, in the sense in which we are using the word, logical.

Many a man will have the courage to die gallantly, but will not have the courage to say, or even to think, that the cause for which he is asked to die is an unworthy one.

Only mathematics and mathematical logic can say as little as the physicist means to say.

When the state intervenes to insure the indoctrination of some doctrine, it does so because there is no conclusive evidence in favor of that doctrine.

Work is of two kinds: first, altering the position of matter at or near the earth's surface relative to other matter; second, telling other people to do so.