COme up] God had called Moses up to him before, upon his coming down, he was to propose the words of his Covenant unto the people, and to take their Answer, and then (with Aaron, Nadab and Abihu) to come up to God againe. seventie of the Elders] Some choice men of those, whom Moses chose and made Rulers over thousands, hundreds, fifties, and tennes, Exodus 18. vers. 25. who might be the same, who afterward were endowed with Moses his spirit to be assistants to him in government of the people, and they were to come to the Tabernacle, and there to be as witnesses of what passed betwixt God and Moses: the number was proportiona¦ble to the service, and as some conceive, it was the rather chosen, with reference to the 70. souls which came with Jacob into Egypt.