Concord, solidarity, and mutual help are the most important means of enabling animal species to survive.
Christian Lous LangeInternationalism is a community theory of society which is founded on economic, spiritual, and biological facts. It maintains that respect for a healthy development of human society and of world civilization requires that mankind be organized internationally.
Christian Lous LangeAll 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.
Christian Lous Lange