Deuteronomy 27:9 KJV
And Moses and the priests the Levites spake unto all Israel, saying, Take heed, and hearken, O Israel; this day thou art become the people of the Lord thy God.
Deuteronomy 27:9, King James Version
In context
8 And thou shalt write upon the stones all the words of this law very plainly.
9 And Moses and the priests the Levites spake unto all Israel, saying, Take heed, and hearken, O Israel; this day thou art become the people of the Lord thy God.
10 Thou shalt therefore obey the voice of the Lord thy God, and do his commandments and his statutes, which I command thee this day.