Internationalism is a social and political theory, a certain concept of how human society ought to be organized, and in particular a concept of how the nations ought to organize their mutual relations.

Like all social theories, internationalism must seek its basis in the economic and technical fields; here are to be found the most profound and the most decisive factors in the development of society.

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

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.

Within each such social group, a feeling of solidarity prevails, a compelling need to work together and a joy in doing so that represent a high moral value.

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.

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.