Exodus 17:7-9

New Revised Standard Version Catholic Edition

⁷ He called the place Massah^[a] and Meribah,^[b] because the Israelites quarreled and tested the Lord, saying, “Is the Lord among us or not?”

Amalek Attacks Israel and Is Defeated

⁸ Then Amalek came and fought with Israel at Rephidim. ⁹ Moses said to Joshua, “Choose some men for us and go out, fight with Amalek. Tomorrow I will stand on the top of the hill with the staff of God in my hand.”