Exodus 17:13-15

New Catholic Bible

¹³ Joshua defeated Amalek and its people, putting them to the sword.

¹⁴ The Lord said to Moses, “Write this as a memorial in a book and recite it to Joshua: I will totally cancel the memory of Amalek from under the heavens.”

¹⁵ Moses built an altar, and he named it, “The Lord is my banner,”