John Gills Exposition of the Bible Commentary - Exodus 17:14
And the Lord said unto Moses ,.... After the battle was over, and the Israelites had got the victory: write this for a memorial in a book : not in loose papers, but in a book, that it might continue; meaning that the account of this battle with Amelek should be put down in the annals or journal of Moses, in the book of the law he was writing, or was about to write, and would write, as he did, see Joshua 1:7 that so it might be kept in memory, and transmitted to the latest posterity; it... read more
Matthew Henry's Complete Commentary - Exodus 17:8-16
We have here the story of the war with Amalek, which, we may suppose, was the first that was recorded in the book of the wars of the Lord, Num. 21:14. Amalek was the first of the nations that Israel fought with, Num. 24:20. Observe, I. Amalek's attempt: They came out, and fought with Israel, Exod. 17:8. The Amalekites were the posterity of Esau, who hated Jacob because of the birthright and blessing, and this was an effort of the hereditary enmity, a malice that ran in the blood, and perhaps... read more