reigned from the time of Adam to the time of Moses.”3 Some attribute this personification to Paul’s ingenuity.4 However, more likely Paul derives his use of sin’s personification from Gen 4:7, where God says to Cain: “If you do what is right, will you not be accepted? But if you do not do what is right, sin is crouching at your door; it desires to have you, but you must rule over it.”5 Thus, Gen 4:7, the initial passage in Genesis that personifies sin as having dominion, likely informs Paul’s commentary