One of the reasons why most of us feel puzzled about the problem of abortion is that we want, and do not want, to allow to the unborn child the rights that belong to adults and children. When we think of a baby about to be born it seems absurd to think that the next few minutes or even hours could make so radical a difference to its status; yet as we go back in the life of the fetus we (...) are more and more reluctant to say that this is a human being and must be treated as such. No doubt this is the deepest source of our dilemma, but it is not the only one. For we are also confused about the general question of what we may and may not do where the interests of human beings conflict. We have strong intuitions about certain cases; saying, for instance, that it is all right to raise the level of education in our country, though statistics allow us to predict that a rise in the suicide rate will follow, while it is not all right to kill the feeble-minded to aid cancer research. It is not easy, however, to see the principles involved, and one way of throwing light on the abortion issue will be by setting up parallels involving adults or children once born. So we will be able to isolate the “equal rights” issue and should be able to make some advance... (shrink)

This is a major work in moral philosophy, the long-awaited follow-up to Parfit's 1984 classic Reasons and Persons, a landmark of twentieth-century philosophy. Parfit now presents a powerful new treatment of reasons and a critical examination of the most prominent systematic moral theories, leading to his own ground-breaking conclusion.

Judith Jarvis Thomson; Killing, Letting Die, and The Trolley Problem, The Monist, Volume 59, Issue 2, 1 April 1976, Pages 204–217, https://doi.org/10.5840/monis.

Appiah explores how the new empirical moral psychology relates to philosophical ethics. He elaborates a vision of naturalism that resists both temptations and traces an intellectual genealogy of the burgeoning discipline of 'experimental philosophy'.

The Trolley Problem Mysteries considers whether who turns the trolley and/or how it is turned affect the moral permissibility of acting and suggests general proposals for when we may and may not harm some people to help others.

This unique text focuses on ethical puzzles and hypothetical problems to help students at all levels understand and refine their moral principles and see how they apply to various situations. An extensive, thoughtfully written introduction provides the theoretical background and lays out numerous moral puzzle cases that are analyzed and discussed throughout the text. Challenging follow-up articles argue a variety of stances on the ethical puzzles set forth in the introduction.