An attack on values is inevitably seen as an act of subversion.
Thou shalt not transgress the carrying capacity
The only thing we can really count on in this uncertain world is human unreliability itself.
Incommensurables cannot be compared.
It is a mistake to think that we can control the breeding of mankind in the long run by an appeal to conscience.
However, I think the major opposition to ecology has deeper roots than mere economics; ecology threatens widely held values so fundamental that they must be called religious.