Exodus 17:14 in the World English Bible
The LORD said to Moses, “Write this for a memorial in a book, and rehearse it in the ears of Joshua: that I will utterly blot out the memory of Amalek from under the sky.”
Context
13 And Joshua discomfited Amalek and his people with the edge of the sword.
14 And the LORD said unto Moses, Write this for a memorial in a book, and rehearse it in the ears of Joshua: for I will utterly put out the remembrance of Amalek from under heaven.
15 And Moses built an altar, and called the name of it Jehovah-nissi: