Remember that not everyone is as strong as you are. Be mindful of human weakness, and of the fact that it may be more important, in the long run, to get many people taking steps in the right direction than to have fewer achieving the ideal.
Peter SingerWe see things like reciprocity which are fairly central to our view of ethics. But if you're talking about a set of worked-out rules on what we are supposed to do then, yes, it is a human product.
Peter SingerTo give preference to the life of a being simply because that being is a member of our species would put us in the same position as racists who give preference to those who are members of their race.
Peter SingerThe Pentagon said that these prisoners were kept in accordance with the Geneva Convention, and of course I was not reassured by that, but I couldn't prove that that was wrong; so we're clearer about that.
Peter Singer