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

I don't see how anyone could really think that if you have a choice between saving the life of one person and saving the lives of a million people, to say - well, I've saved the one - can you really take that seriously? I can't.

If you earn a lot of money, you can give away a lot of money.

Interest in business ethics courses has surged, and student activities at leading business schools are more focused than ever before on making business serve long-term social values.

I suppose what's happened recently has confirmed suspicions I voiced in the book, and I think made clearer some of those things that I point out. For instance I have a section of the book where I talk about the possibility of torture.

We need to recognise that what really matters isn't buying more and more consumer goods, but family, friends, and knowing that we are doing something worthwhile with our lives. Helping to reduce the appalling consequences of world poverty should be part of that reassessment.

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