A theist normally holds that God is by nature morally perfectly good and also that men have a duty to obey the commands of God that the commands of God create moral obligation. The ‘goodness’ of God respects the perfection of his nature. This article is written for the purpose of explaining the theory of the moral principles or rules that guide the actions of a maximally great being. An attempt is also made to resolve an alleged paradox that claims that moral perfection is incompatible with moral admirability.