The only thing we can really count on in this uncertain world is human unreliability itself.

The social arrangements that produce responsibility are arrangements that create coercion, of some sort.

Thou shalt not transgress the carrying capacity

Ecological differentiation is the necessary condition for coexistence.

Every plausible policy must be followed by the question 'And then what?'

It is a mistake to think that we can control the breeding of mankind in the long run by an appeal to conscience.

Religious reasons, which is no reason. I notice Skeptic had a review of Dennett's book, Darwin's Dangerous Idea. Religious reasons amount to what Dennett terms "skyhooks." Do you believe in skyhooks? I don't.