Williams(i)
9 but if you show partiality, you are committing sin, because you are convicted by the law as lawbreakers.
10 For whoever obeys the whole law, except to slip in a single instance, is guilty of breaking it all.
11 For He who said, "You must not commit adultery," also said, "You must not commit murder." Now if you do not commit adultery but you do commit murder, you are just the same a lawbreaker.