Man Is By Nature Competitive, Combative, Ambitious,

Human Nature, As Manifested In Tribalism And Nationalism, Provides The Momentum Of The Machinery Of Human Evolution.

The Discovery Of Agriculture Was The First Big Step Toward A Civilized Life.

Before The Discovery Of Agriculture Mankind Was Everywhere So Divided, The Size Of Each Group Being Determined By The Natural Fertility Of Its Locality.

There Are Very Few Men And Women In Whom A Universalist Feeling Is Altogether Lacking; Its Prevalence Suggests That It Must Be Part Of Our Inborn Nature And Have A Place In Nature's Scheme Of Evolution.

A Drunkard Is One Thing, And A Temperate Man Is Quite Another.