The twentieth century will be chiefly remembered by future generations not as an era of political conflicts or technical inventions, but as an age in which human society dared to think of the welfare of the whole human race as a practical objective.

It is a paradoxical but profoundly true and important principle of life that the most likely way to reach a goal is to be aiming not at that goal itself but at some more ambitious goal beyond it.

The immense cities lie basking on the beaches of the continent like whales that have taken to the land.

We have been God-like in our planned breeding of our domesticated plants and animals, but we have been rabbit-like in our unplanned breeding of ourselves.

Of the twenty-two civilizations that have appeared in history, nineteen of them collapsed when they reached the moral state the United States is in now.

Apathy can be overcome by enthusiasm, and enthusiasm can only be aroused by two things: first, an ideal, with takes the imagination by storm, and second, a definite intelligible plan for carrying that ideal into practice.

Religion holds the solution to all problems of human relationship, whether they are between parents and children or nation and nation. Sooner or later, man has always had to decide whether he worships his own power or the power of God.