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

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.

Earlier ages fortified themselves behind the sovereign state, behind protectionism and militarism.

Europe cannot survive another world war.

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

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.

Hand in hand with nationalist economic isolationism, militarism struggles to maintain the sovereign state against the forward march of internationalism.