“Europe cannot survive another world war.”

“Technology is a useful servant but a dangerous master.”

“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.”

“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.”

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

“Europe cannot survive another world war.”