Modern techniques have torn down state frontiers, both economical and intellectual. The growth of means of transport has created a world market and an opportunity for division of labor embracing all the developed and most of the undeveloped states.

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

Europe cannot survive another world war.

A pacifist will often - at least nowadays - be an internationalist and vice versa. But history shows us that a pacifist need not think internationally.

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.

It is an accepted commonplace in psychology that the spiritual level of people acting as a crowd is far lower than the mean of each individual's intelligence or morality.

The simultaneous reactions elicited all over the world by the reading of newspaper dispatches about the same events create, as it were, a common mental pulse beat for the whole of civilized mankind.