Adam Clarke's Commentary on the Bible - Exodus 17:13
Joshua discomfited Amalek and his people - Amalek might have been the name of the ruler of this people continued down from their ancestor, (see Clarke on Exodus 17:8 ; (note)), as Pharaoh was the name of all succeeding kings in Egypt. If this were the case, then Amalek and his people mean the prince and the army that fought under him. But if Amalek stand here for the Amalekites, then his people must mean the confederates he had employed on this occasion. read more
Adam Clarke's Commentary on the Bible - Exodus 17:11
When Moses held up his hand - We cannot understand this transaction in any literal way; for the lifting up or letting down the hands of Moses could not, humanly speaking, influence the battle. It is likely that he held up the rod of God in his hand, Exodus 17:9 , as an ensign to the people. We have already seen that in prayer the hands were generally lifted up and spread out, (See Clarke's note on Exodus 9:29 ;), and therefore it is likely that by this act prayer and supplication are... read more