If you watch lizards and lions copulating, then you will see that in 200 million years the male has not had a single new idea.

Aggressiveness is the principal guarantor of survival.

We are born of risen apes, not fallen angels.

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

Men, unlike mockingbirds, have the capacity for systematic self-delusion. We echo each other with equal precision, equal eloquence, equal assurance.

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

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?