This is the water of Meribah
Or "strife": this is the name by which the water had in this place, and from this rock, was called; and which is the same name given to the place at Horeb, where a rock had been smitten, and water had flowed, as now, the first year they came out of Egypt; and to distinguish this from that, this is sometimes called Meribah-Kadesh, ( Deuteronomy 32:51 ) , this being at Kadesh, as that was at Rephidim:
because the children of Israel strove with the
for their chiding and striving with Moses was interpretatively striving with the Lord himself, whose ministers and servants they were:
and he was sanctified in them;
that is, the glory of his divine perfections was displayed in them; either in the waters fetched out of the rock, which was a proof of the almighty power of God, and of his truth and faithfulness to his promises; or in the children of Israel, in whose sight, and for whose sake this miracle was wrought: the Targum of Jonathan expressly says, in Moses and Aaron, in not sparing these his saints, but expressing severity towards them for their sin; so Jarchi and Aben Ezra interpret it.