And We Cut them up into twelve Grandsons, (Moses) nations. And We revealed to Mûsa, as his people asked him for water, (saying), "Strike with your staff the stone!" So there squirt forth from it twelve springs; every folk already knew their drinking-place. And We overshadowed them with mists, and We sent down manna and quails upon them: (i.e. the Tribes) "Eat of whatever good things with which We have provided you." And in no way did they do injustice to Us, but to themselves they were doing injustice..