2 Corinthians 3:3
since ye are manifestly shown to be a letter of Christ by means of our service, written not with ink, but with the Spirit of the living God; not on tablets of stone, but on fleshly tablets of the heart.
2 Corinthians 3:7
But if the ministration of death, engraven in letters on stones, was so glorious, that the children of Israel could not look steadfastly on the face of Moses by reason of the glory of his countenance, which glory was to be done away,
Hebrews 8:10
For this is the covenant that I will make with the house of Israel after those days, saith the Lord: I will put my laws into their mind, and on their hearts will I write them; and I will be to them a God, and they shall be to me a people.