וידי משה כבדים ויקחו אבן וישמו תחתיו וישב עליה
Moshe Rabbeinu’s hands grew heavy from fatigue. Therefore, Aharon HaKohen and Chur supported his arms. Moshe sat on a stone, rather than on a pillow, because he was not about to sit on a soft pillow while his people were in danger and suffering. The Talmud Brachos 54a enumerates a list of places in which miracles occurred, stating that if one were to see any of these places, he would be required to offer praise to Hashem. One of these places is the stone upon which Moshe sat. The Maharsha wonders why the stone upon which Moshe sat retains such…