Verse 20 Amalek was the first of the nations - The most ancient and most powerful of all the nations or states then within the view of Balaam; but his latter end shall be that he perish for ever, or his posterity אחריתו acharitho, shall be destroyed, or shall utterly fail. This oracle began to be fulfilled by Saul, 1Sam 15:7, 1Sam 15:8, who overthrew the Amalekites, and took their king, Agag, prisoner. Afterwards they were nearly destroyed by David, 1Sam 27:8, and they were finally exterminated by the sons of Simeon in the days of Hezekiah, 1Chr 4:41-43; since that time they have ceased to exist as a people, and now no vestige of them remains on the face of the earth; so completely is their posterity cut off, according to this prophecy. The marginal reading does not appear to give the proper sense.

He looked on Amalek - From the top of Pisgah, which was exceeding high, and gave him the prospect of part of all these kingdoms. The first - Heb. the firstfruits; so called either, because they were the first of all the neighbouring nations which were embodied together in one government: or, because he was the first who fought against Israel and was vanquished by them. That victory was an earnest and first - fruit of the large harvest of victories which the Israelites should in due time get over all their enemies. He shall perish for ever - He began with God and with Israel, but God will end with him, and the firm purpose of God is, that he shall be utterly destroyed; so that Saul lost his kingdom for not executing this decree, and God's command pursuant thereunto.

Num 24:20

He looked on Amalek. This looking must have been an inward vision, because the haunts of the Amalekites were far away (see on Gen 36:12; Exo 17:8; Num 14:25, Num 14:45). The first of the nations. Amalek was in no sense a leading nation, nor was it a very ancient nation. It was indeed the very first of the nations to attack Israel, but it is a most arbitrary treatment of the words to understand them in that sense. The prophet Amos (Amo 6:1) uses the same expression of the Jewish aristocracy of his day. As it was in no better position than Amalek to claim it in any true sense, we can but suppose that in either case there is a reference to the vainglorious vauntings of the people threatened; it would be quite in keeping with the Bedawin character if Amalek gave himself out be "the first of nations."