There are almost no limits to the discoveries of how the human brain operates in illness and health, in sleep and waking and dreaming, in calm and under tension. The question is how far man can put these discoveries to use without using them not for cure but for power.

The Russians train; they do not dare educate.

Every mob, in its ignorance and blindness and bewilderment, is a League of Frightened Men that seeks reassurance in collective action.

Having a thirteen-year-old in the family is like having a general-admission ticket to the movies, radio and TV. You get to understand that the glittering new arts of our civilization are directed to the teen-agers, and by their suffrage they stand or fall.

Principles-and I have in mind such principles as states' rights or national sovereignty or the free market or pacifism-have a way of drying up while the sap of life goes flowing in another direction.

The real sadness of fifty is not that you change so much but that you change so little.

It is not science that has destroyed the world, despite all the gloomy forebodings of the earlier prophets. It is man who has destroyed man.