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“Also, one does not recite the benediction over a lamp unless one has profited from its light.” Rebbi Zeïra, the son of Rebbi Abbahu, preached: (Gen. 1:4) “God saw the light that it was good” and after that, “God separated between the light and the darkness.”. Rebbi Berekhiah said: The following was preached by the two greats of the world, Rebbi Yoḥanan and Rebbi Simeon ben Laqish: “God separated,” a true separation. Rebbi Yehudah, the son of Rebbi Simon, said: He separated it for Himself…