Exodus 17:15-16

Wycliffe Bible

¹⁵ And Moses builded an altar, and called the name thereof, The Lord is mine enhancer, (And Moses built an altar there, and called it Jehovahnissi,)

¹⁶ and he said, For (it is) the hand of the Lord alone, and the battle of God shall be against Amalek (and God shall fight against the Amalekites), from generation into generation.