In the which ye also walked some time,.... Either in or among the children of disobedience, Col 3:6, or rather in the afore mentioned sins, Col 3:5. Sin is a road or path, in which sinners walk a way of their own, or of their own choosing and approving, though a dark and crooked one, and which leads to destruction: walking herein denotes a continued series of sinning, a persisting in it, a progress therein, a proceeding from evil to evil, taking pleasure, and going on securely in it; and which is the case and state of God's elect before conversion, which is a turning of them from darkness to light, from the power of Satan to God, and out of the ways of sin, into the paths of righteousness, when the course of their walk, of their lives and conversations, is altered; and which is suggested here, and made use of as another reason for the mortification of the deeds of the body of sin, taken from their former state, and their deliverance out of it; and therefore the time past of their lives, when they walked in these things, should suffice, and they should now cease from sin, from a series and course of sinning:when ye lived in them; in sins, and were dead in them; for to be dead in sin, and to live in sin, is the same thing; living in sin is the death of sin.
To live in sin is to live after the flesh, after the dictates of corrupt nature, to live a sinful course of life; it is for a man to give up himself to sin, be wholly bent upon it, take delight in it, and make it his work and business.