We may agree, for example, that our societies must provide greater security for the individual; yet if all we succeed in producing is a providing increased anonymity and ever increasing boredom, then we should not wonder if ingenious man turns to such amusements as drugs, housebreaking, vandalism, mayhem, riots, or - at the most harmless - strange haircuts, costumes, standards of cleanliness, and sexual experiments.

For the soundest of evolutionary reasons man appears at his best when times are worst.

What truly leads the evolutionary procession, in other words, is behavior.

Aggressiveness is the principal guarantor of survival.

The miracle of man is not how far he has sunk but how magnificently he has risen. We are known among the stars by our poems, not our corpses.

Is it possible that the environmental severity of the 1930s induced-particularly in the most aware, alert, and compassionate of [British] men-a morality which makes no sense today?

What could not be denied was that in vast segments of the animal world natural selection of the most qualified individuals took place not by competition for females but by competition for space.