Peter Singer

More often there's a compromise between ethics and expediency.

We should aim for our children to be good people, and to live ethical lives that manifest concern for others as well as for themselves.

The price we are willing to pay for safety cannot be infinite. It is distasteful to put a price on human life, but the more we spend on safety, the less we will have for our other goals.

That is the definition of equal justice under law: everyone gets a fair shot, everyone pays their fair share, and everyone plays by the same set of rules.

The argument about zoning and the presidency of Nigeria is like the philosophical argument of the egg or the hen. Who is older through the evolutionary process, who came first?

I have no neighbours other than animals and Joshua Trees.