If we are prepared to take the life of another being merely in order to satisfy our taste for a particular type of food, then that being is no more than a means to our end.

Torturing a human being is almost always wrong, but it is not absolutely wrong.

Egoism... is not eliminated by economic reorganization or by material abundance. When basic needs are satisfied, new 'needs' emerge. In our society, people want no simply clothes, but fashionable clothes; not shelter, but a house to display their wealth and taste.

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

Of all the arguments against voluntary euthanasia, the most influential is the slippery slope: once we allow doctors to kill patients, we will not be able to limit the killing to those who want to die.

To turn the other cheek is to teach would-be cheats that cheating pays.

Animal factories are one more sign of the extent to which our technological capacities have advanced faster than our ethics.