Reign (basileuetw). Present active imperative, "let not sin continue to reign" as it did once ( Hebrews 5:12 ). Mortal (qnhtoi). Verbal adjective from qnhskw, subject to death. The reign of sin is over with you. Self-indulgence is inconsistent with trust in the vicarious atonement. That ye should obey (ei to upakouein). With a view to obeying.