"A good person is one who follows the Ten Commandments and the golden rule. There is plenty of precedent in history to guide us and we probably evolved to be sensitive to Bible-Golden Rule situations. But the dilemmas faced by a worker - a journalist, an architect, an auditor - or by a citizen (what position to take on stem cell research, whether to run for office, what is the proper balance between taxation and social nets) - are not questions that can be answered by traditional texts or precedents."