First reading: Exodus 24:3-8

Moses went and told the people all the commands of the Lord and all the ordinances. In answer, all the people said with one voice, ‘We will observe all the commands that the Lord has decreed.’ Moses put all the commands of the Lord into writing, and early next morning he built an altar at the foot of the mountain, with twelve standing-stones for the twelve tribes of Israel. Then he directed certain young Israelites to offer holocausts and to immolate bullocks to the Lord as communion sacrifices. Half of the blood Moses took up and put into basins, the other half he cast on the altar. And taking the Book of the Covenant he read it to the listening people, and they said, ‘We will observe all that the Lord has decreed; we will obey.’ Then Moses took the blood and cast it towards the people. This’ he said ‘is the blood of the Covenant that the Lord has made with you, containing all these rules.’