The mind is not sex-typed.

The prophet who fails to present a bearable alternative and yet preaches doom is part of the trap that he postulates.

No country that permits firearms to be widely and randomly distributed among its population - especially firearms that are capable of wounding and killing human beings - can expect to escape violence, and a great deal of violence.

Warfare ... is just an invention, older and more widespread than the jury system, but none the less an invention.

The anonymity of the city is one of its strengths as well as - carried too far - one of its weaknesses.

... some veil between childhood and the present is necessary. If the veil is withdrawn, the artistic imagination sickens and dies, the prophet looks in the mirror with a disillusioned and cynical sneer, the scientist goes fishing.

Monogamous heterosexual love is probably one of the most difficult, complex and demanding of human relationships.