The change is not a superficial change of opinion or a new doctrinal concept; it affects the nature of the mind, its governing principles.
Be renewed.
Sin is an intruder, a destroyer of the primeval purity of man. Despite centuries of degradation man still shows some traces of the original handiwork of God, and by the work of the Holy Spirit in the new birth and in sanctification “the old man” (v. 22) may be created new again. There is a deep rift in the human soul as there is in the human family, a rift that can be healed only by the unifying influence and power of the Lord Jesus Christ.