A Remarkable Passage in Romans...

"In regard to this liberty there is a remarkable passage in the Epistle to the Romans, where Paul argues, "Sin shall not have dominion over you; for ye are not under the law, but under grace," (Romans 6:14.) For after he had exhorted believers, "Let not sin therefore reign in your mortal body, that ye should obey it in the lusts thereof: Neither yield ye your members as instruments of unrighteousness unto sin; but yield yourselves unto God, as those that are alive from the dead, and your members as instruments of righteousness unto God;" they might have objected that they still bore about with them a body full of lust, that sin still dwelt in them. He therefore comforts them by adding, that they are freed from the law; as if he had said, Although you feel that sin is not yet extinguished, and that righteousness does not plainly live in you, you have no cause for fear and dejection, as if God were always offended because of the remains of sin, since by grace you are freed from the law, and your works are not tried by its standard."

Calvin... Institutes...