It means that when you do something good or bad it will always come back to you. This is the law of karma. An example of the Law of Karma is that if you do something nice to someone then something good will come back to you but if you do ugly to people than bad things will happen to you.
Although Michael broke the law from Negative Traits, Micheal is still responsible for his actions, he knows from right from wrong. Therfore charges should stand.