All species capable of grasping this fact manage better in the struggle for existence than those which rely upon their own strength alone: the wolf, which hunts in a pack, has a greater chance of survival than the lion, which hunts alone.

Propaganda must appeal to mankind's better judgment and to the necessary belief in a better future. For this belief, the valley of the shadow of death is but a war station on the road to the blessed summit.

Technology is a useful servant but a dangerous master.

The theoretically unrestricted right to develop power, to wage war against other states, is antisocial and is doubly dangerous, because the state as a mass entity represents a low moral and intellectual level.

The idea of eternity lives in all of us. We thirst to live in a belief which raises our small personality to a higher coherence - a coherence which is human and yet superhuman, absolute and yet steadily growing and developing, ideal and yet real.

The main concept is that of an international solidarity expressed in practice through worldwide division of labor: free trade is the principal point in the program of internationalism.

Just as characteristic, perhaps, is the intellectual interdependence created through the development of the modern media of communication: post, telegraph, telephone, and popular press.