Thematic Bible: Supererogation

"So you, son of man, say to {your people} [that] the righteousness of the righteous shall not save him in the day of his transgression, and the wickedness of the wicked {will not cause him to stumble} on the day of his returning from his wickedness; and [the] righteous will not be able to live by it on the day when he returns to his sin. When I say to the righteous, 'Certainly he will live,' and he trusted in his righteousness, and he [turns and he] does injustice, all of his righteousness will not be remembered, and because of his injustice that he did, because of it he will die.

Thus you also, when you have done all the {things you were ordered to do}, say, 'We are unworthy slaves; we have done what we were obligated to do.'" Verse ConceptsCommands, in NTServants, GoodDuty