Probability is the guide of life, and of death, too.

Killing a defective infant is not morally equivalent to killing a person. Sometimes it is not wrong at all.

It is a mistake to assume that the law should always enforce morality.

In a situation where many national leaders do the same thing and look out for national interests, and with an issue like global warming, you're likely to get no solution, so I think you have to have some kind of ethical trump on some of those issues.

I do not believe that it could never be justifiable to experiment on a brain-damaged human.

Why...is the hunter who shoots a deer for venison subject to more criticism than the person who buys a ham at the supermarket? Overall, it is probably the intensively reared pig who has suffered more.

The prescription of the equality of human beings is not a description of an alleged actual equality among humans: it is a prescription of how we should treat human beings.