“God’s Law is written in your heart. If you believe this firmly, and come to say to God that His Law is there in your inmost part, and hold up that heart to the light and heat of the Holy Spirit, you will find…[that] the Law written in the heart will mean to you the fervent love of God’s commands, with the power to obey them…. Christian, believe that the Law lives in your inmost being! Speak in faith the words of David and of Christ: ‘I delight to do Thy will, O God! Yea, Thy Law is written on my heart!” Ps. 40:8; John 4:34; Heb. 10:7-16.
Such obedience to God’s Law is never total in this life. Yet nevertheless, it is always to increase. Indeed, it can only be achieved in the Christian — through his ongoing sanctification. This only occurs — when the same Spirit Who wrote the Law on Sinai’s rocky tablets also keeps on carving it into the heart of the praying Christian. II Cor. 3:3,8,17,18 cf. Heb. 8:10 & 9:8,14 & 10:15-16 & 13:20f.