The Bible
Exodus 17
Israel murmurs for want of water—Moses smites a rock in Horeb, and water gushes forth—Aaron and Hur uphold Moses’ hands so that Joshua prevails against Amalek.
8¶ Then came Amalek, and fought with Israel in Rephidim.
13And Joshua discomfited Amalek and his people with the edge of the sword.
15And Moses built an altar, and called the name of it Jehovah-nissi: