There is an obvious evolutionary explanation for the scarcity of altruistic saints: Without a strong predilection for their own interests, our ancestors would have been unlikely to survive, reproduce, and give their own offspring a chance of doing the same. Now conditions have changed and for most of us, surviving and reproducing isn't such a struggle but we still carry the genes of our ancestors and they influence - not determine, but influence - our behavior.
Peter SingerIf they [animals] were really to get the equal consideration that I believe they should, we wouldn't have commercial animal production in this country.
Peter SingerWe have a new generation of very rich people who want to do more with their money than buy a lot of expensive toys. They want to live meaningful lives.
Peter SingerOf course, infanticide needs to be strictly legally controlled and rare - but it should not be ruled out, any more than abortion.
Peter Singer