A Proverb

"If a man looks at himself as beyond reproach and good, he may be evil in his heart. If a man looks at himself and fears that he is beyond wicked, he is sure to be a great man. Fore the wise fear the potential of evil, while the fool plays the saint while being the devil in his heart."

Babies and Psychology

If sociopathy is characterized as the absence of understanding the difference of right and wrong then.... "Babies are the ultimate sociopaths."