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.

Upon the union of the male germ cell with the female egg cell, a new cell is created which almost immediately splits into two parts. One of these grows rapidly, creating the human body of the individual with all its organs, and dies only with the individual.

History shows us that other highly developed forms of civilization have collapsed. Who knows whether the same fate does not await our own?

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.

But teleological considerations can lead no further than to a belief and a hope. They do not give certainty.

Every time economic and technical development takes a step forward, forces emerge which attempt to create political forms for what, on the economic-technical plane, has already more or less become reality.

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.