Deuteronomy 27:6-8

King James Version

⁶ Thou shalt build the altar of the Lord thy God of whole stones: and thou shalt offer burnt offerings thereon unto the Lord thy God:

⁷ And thou shalt offer peace offerings, and shalt eat there, and rejoice before the Lord thy God.

⁸ And thou shalt write upon the stones all the words of this law very plainly.