Exodus 24:1-6 KJV

1 And he said unto Moses, Come up unto the LORD, thou, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship ye afar off.
2 And Moses alone shall come near the LORD: but they shall not come nigh ; neither shall the people go up with him.
3 And Moses came and told the people all the words of the LORD, and all the judgments: and all the people answered with one voice, and said , All the words which the LORD hath said will we do .
4 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.
5 And he sent young men of the children of Israel, which offered burnt offerings, and sacrificed peace offerings of oxen unto the LORD.
6 And Moses took half of the blood, and put it in basons; and half of the blood he sprinkled on the altar.