Or the Kantian categorical imperative. Fifteen minutes of googling would have told the questioner everything he might have wanted to know about this, but of course that's not the point here.
Thanks for the tips on the reading. I will look up both Kant and Aristotle to study more.
It seems self governing is not innate though. Right and wrong is learned. Just like fear is learned. Since we are born without fear or knowing whats right and wrong. We have to weigh the balance, but against what.
If I was the first man on earth, how would I know. If another person walked up and I was hungry, I would kill the other to eat. I have a reason to kill. Is it wrong? If I just killed the other to eliminate competition is that wrong?