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.

In a finite world this means that the per capita share of the world’s goods must steadily decrease.

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

We can’t cure a shortage by increasing the supply.

It takes five years for a willing person’s mind to change. Have patience with yourself and others when treading in an area protected by a taboo.

In a competitive world of limited resources, total freedom of individual action is intolerable.

Thou shalt not transgress the carrying capacity.

There is nothing more dangerous than a shallow thinking compassionate person.

You cannot do only one thing.

Society does not need more children; but it does need more loved children. Quite literally, we cannot afford unloved children - but we pay heavily for them every day. There should not be the slightest communal concern when a woman elects to destroy the life of her thousandth-of-an-ounce embryo. But all society should rise up in alarm when it hears that a baby that is not wanted is about to be born.