Exodus 24:3-4

Revised Standard Version

³ Moses came and told the people all the words of the Lord and all the ordinances; and all the people answered with one voice, and said, “All the words which the Lord has spoken we will do.” ⁴ And Moses wrote all the words of the Lord. And he rose early in the morning, and built an altar at the foot of the mountain, and twelve pillars, according to the twelve tribes of Israel.