The presence of sin in the believer involves conflict in his heart and life. If there is remaining, indwelling sin, there myst be the conflict which Paul described in Romans 7:14ff. It is futile to argue that this conflict is not normal. If there is still sin to any degree in one who is indwelt by the Holy Spirit, then there is tension, yes, contradiction, within thehear of that person. Indeed, the more sanctified the person is, the more confirmed he is to the image of his Savior, the more he must recoil against every lack of conformity to the holiness of God. The deeper his apprehension of the majesty of God, the greater the intensity of his love to God, the more persistent his yearning for the attainment of the prize of the high calling of God in Christ Jesus, the more conscious will he be of the gravity of the sin which remains and the more poignant will be his detestation of it.
– John Murray
as quoted byBridges, Jerry; The Disciplined of Grace:God’s Role and Our Role in the Pursuit of Holiness; NavPress; Colorado Springs; copyright 1994; p. 101