But Moses’ hands grew weary, so they took a stone and put it under him, and he sat on it, while Aaron and Hur held up his hands, one on one side, and the other on the other side. So his arms were steady until the going down of the sun. Exodus 17:12 Somewhere between “Moses! Moses! Take your sandals off your feet” (Exodus 3:4) and “there has not arisen a prophet since in Israel like Moses, whom the LORD knew face to face” (Deuteronomy 34:10), we find a man desperately inadequate doing a mighty work for God. Reality confronts Moses in Exodus 17. His people are grumbling, blaming him…