1 Samuel 14:48
He acted valiantly, defeated Amalek, and delivered Israel from those who had been plundering them.
Exodus 17:14
Then the LORD told Moses, "Write this in a book as a memorial and recite it to Joshua: "I'll certainly wipe out the memory of the Amalekites from under heaven.'"
Deuteronomy 25:19
Therefore, when the LORD your God has given you rest from all your enemies who surround you in the land that he is about to give you to possess as an inheritance, you must completely erase the memory of the Amalekites from under heaven. Don't forget!"
1 Samuel 15:3-7
Now, go and attack Amalek. Completely destroy all that they have. Don't spare them, but put to death both man and woman, child and infant, both ox and sheep, camel and donkey.'"