In a tribal organization, even in time of peace, service to tribe or state predominates over all self seeking; in war, service for the tribe or state becomes supreme, and personal liberty is suspended.

Christianity has not conquered nationalism; the opposite has been the case nationalism has made Christianity its footstool.

Civilization never stands still; if in one country it is falling back, in another it is changing, evolving, becoming more complicated, bringing fresh experience to body and mind, breeding new desires, and exploiting Nature's cupboard for their satisfaction.

This world of ours has been constructed like a superbly written novel: we pursue the tale with avidity, hoping to discover the plot.

I prize the conditions under which I have lived because they have permitted me to choose my opportunities, to inquire into such matters as interested me, and to publish what I believed to be true, uncontrolled by any central authority.

Man is by nature competitive, combative, ambitious, jealous, envious, and vengeful.

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