Exodus 24
3 Ref Moses came and told the people all the words of Yahweh, and all the ordinances; and all the people answered with one voice, and said, "All the words which Yahweh has spoken will we do."
4 Ref Moses wrote all the words of Yahweh, and rose up early in the morning, and built an altar under the mountain, and twelve pillars for the twelve tribes of Israel.