Exodus 24:7-8

7Then he took the Book of the Covenant and read it in the hearing of the people. And they said, a  All that the  Lord has spoken we will do, and we will be obedient.” 8 b  And Moses took the blood and threw it on the people and said, “Behold the blood of the covenant that the  Lord has made with you in accordance with all these words.”

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