Exodus 17:6-7
17:6 I will be standing
before you there on
the rock in Horeb, and you will strike
the rock, and water will come out of it so that the people may drink.”
And Moses did so in plain view
of the elders of Israel.
17:7 He called the name of the place Massah and Meribah, because of the contending of the Israelites and because of their testing the Lord, saying, “Is the Lord among us or not?”