Before the discovery of agriculture mankind was everywhere so divided, the size of each group being determined by the natural fertility of its locality.

Reason has not tamed desire: it is as strong as ever.

I am a rank individualist.

As long as man remains an inquiring animal, there can never be a complete unanimity in our fundamental beliefs. The more diverse our paths, the greater is likely to be the divergence of beliefs.

No tempting form of error is without some latent charm derived from truth.

Before the discovery of agriculture mankind was everywhere so divided, the size of each group being determined by the natural fertility of its locality.

Human nature, as manifested in tribalism and nationalism, provides the momentum of the machinery of human evolution.