Matthew Poole and continuators on Exodus 3:1

1 NOW Moses kept the flock of Jethro his father in law, the Priest of Midian: and he led the flock to the back-side of the desert , and came to the mountain of God , even to Horeb .

Either the same with Reuel, or his son, who upon his fathers death, succeeded into his office. See Exod. 2. 18.

To its innermost parts which were behind Iethro's habitation and the former pastures, whither he went for fresh pastures.

So called, either as an high or eminent mountain: or, from the vision of God here following: See Act. 7. 30. or by anticipation, from Gods glorious appearance there and giving the law from thence. Exod. 18. 5. and 19. 3. See also 1 King. 19. 8.

Called also Sinai, Exod. 19. 1. Act. 7. 30. Or Horeb was the name of the whole tract or row of mountains, and Sinai the name of that particular mountain where this vision hapned and the law was delivered: Or Horeb and Sinai were two several tops of the same mountain.