Numbers 20:8-10

New Revised Standard Version, Anglicised Catholic Edition

⁸ Take the staff, and assemble the congregation, you and your brother Aaron, and command the rock before their eyes to yield its water. Thus you shall bring water out of the rock for them; thus you shall provide drink for the congregation and their livestock.

⁹ So Moses took the staff from before the Lord, as he had commanded him. ¹⁰ Moses and Aaron gathered the assembly together before the rock, and he said to them, ‘Listen, you rebels, shall we bring water for you out of this rock?’