Christian Lous Lange
Propaganda must appeal to mankind's better judgment and to the necessary belief in a better future. For this belief, the valley of the shadow of death is but a war station on the road to the blessed summit.
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.
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.
Technology is a useful servant but a dangerous master.