Exodus 24:4 in the King James Version
And Moses wrote all the words of the LORD, and rose up early in the morning, and builded an altar under the hill, and twelve pillars, according to the twelve tribes of Israel.
Context
3 Moses came and told the people all the LORD’s words, 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 Moses wrote all the LORD’s words, then rose up early in the morning and built an altar at the base of the mountain, with twelve pillars for the twelve tribes of Israel.
5 He sent young men of the children of Israel, who offered burnt offerings and sacrificed peace offerings of cattle to the LORD.