Hunger makes a fool of a man.

Since the passing of Victoria the Great there had been an accumulating uneasiness in the national life. It was as if some compact and dignified paper-weight had been lifted from people's ideas, and as if at once they had begun to blow about anyhow.

Adapt or perish, now as ever, is nature's inexorable imperative.

Looking at these stars suddenly dwarfed my own troubles and all the gravities of terrestrial life.

This has ever been the fate of energy in security; it takes to art and to eroticism, and then comes languor and decay.

Human history is, in essence, a history of ideas.

What, unless biological science is a mass of errors, is the cause of human intelligence and vigour? Hardship and freedom: conditions under which the active, strong, and subtle survive and the weaker go to the wall; conditions that put a premium upon the loyal alliance of capable men, upon self-restraint, patience, and decision. And the institution of the family, and the emotions that arise therein, the fierce jealousy, the tenderness for offspring, parental self-devotion, all found their justification and support in the imminent dangers of the young.