Holiness is one of those amazing effects of grace. Sin can never keep you away from the grace of God but grace will keep you away from sin. The law makes you conscience of sin learn how to not to look at the law but the person who has fulfilled the law.
2 Corinthians 3:18 But we all, with unveiled face, beholding as in a mirror the glory of the Lord, are being transformed into the same image from glory to glory, just as by the Spirit of the Lord.
Holiness is one of those amazing effects of grace. Sin can never keep you away from the grace of God but grace will keep you away from sin.