In the specific case of abortion, the matter is particularly easy in that no woman wants a late abortion. Once abortion was made legal, the age of the aborted fetus went down. The slope slipped in the other direction. If we legalize RU-486 and other similar new drugs, the age will fall to one week or less and start approaching zero. The slippery slope will slide in the other direction. The only reason we have late abortions is because we make early abortion difficult.

Freedom in a commons brings ruin to all.

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.

The greatest folly is to accept expert statements uncritically. At the very least, we should always seek another opinion.

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

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

Ecology is the overall science of which economics is a minor speciality.