Numbers 20:6-8

⁶And Moses and Aaron went from before the assembly to the door of the tabernacle of witness, and they fell upon their faces; and the glory of the Lord appeared to them.

⁷And the Lord spoke to Moses, saying,

⁸Take thy rod, and call the assembly, thou and Aaron thy brother, and speak ye to the rock before them, and it shall give forth its waters; and ye shall bring forth for them water out of the rock, and give drink to the congregation and their cattle.