" My paper was a direct discussion and comparison of half-a-dozen ethical systems, concentrating on what seemed to me to be their flaws. I finished by saying that it struck me that all the ethical systems I was discussing were after the fact. That is, that people act as they are disposed to, but they like to feel afterwards that they were *right* and so they invent systems that approve of their dispositions "

― Alexei Panshin , Rite of Passage