I remember— Literally, I visit, or have my eyes upon; God hereby signifying, that he observed with attentive eyes what Israel had suffered by means of the Amalekites. Houb. See Exodus 17:14. Deuteronomy 25:19 and the Reflections at the end of the 20th chapter of Deuteronomy.
Related Commentaries of 1 Samuel 15:2
1 Samuel 15:2
2 Thus saith the LORD of hosts, I remember that which Amalek did to Israel, how he laid wait for him in the way, when he came up from Egypt.