Exodus 24:5

1 Then the LORD said to Moses, “Come up to the LORD—you and Aaron, Nadab and Abihu, and seventy of Israel’s elders—and you are to worship at a distance.

2 Moses alone shall approach the LORD, but the others must not come near. And the people may not go up with him.”

3 When Moses came and told the people all the words and ordinances of the LORD, they all responded with one voice: “All the words that the LORD has spoken, we will do.”

4 And Moses wrote down all the words of the LORD. Early the next morning he got up and built an altar at the base of the mountain, along with twelve pillars for the twelve tribes of Israel.

5 Then he sent out some young men of Israel, and they offered burnt offerings and sacrificed young bulls as peace offerings to the LORD.

6 Moses took half of the blood and put it in bowls, and the other half he sprinkled on the altar.

7 Then he took the Book of the Covenant and read it to the people, who replied, “All that the LORD has spoken we will do, and we will be obedient.”

8 So Moses took the blood, sprinkled it on the people, and said, “This is the blood of the covenant that the LORD has made with you in accordance with all these words.”

9 Then Moses went up with Aaron, Nadab and Abihu, and seventy of the elders of Israel,

Read all of Exodus 24