The discovery of agriculture was the first big step toward a civilized life.
Man is by nature competitive, combative, ambitious, jealous, envious, and vengeful.
The course of human history is determined, not by what happens in the skies, but what takes place in our hearts.
Before the discovery of agriculture mankind was everywhere so divided, the size of each group being determined by the natural fertility of its locality.
No tempting form of error is without some latent charm derived from truth.
Under no stretch of imagination can war be regarded as an ethical process; yet war, force, terror, and propaganda were the evolutionary means employed to weld the German people into a tribal whole.