The last was a most difficult task, and the words of God concerning it wrung the exclamation from Moses: "See, the children of Israel will not hearken unto me. How, then, should Pharaoh hearken unto me?" It was the third time Moses declined to go on the errand of God. Now the Divine patience was exhausted, and Moses was subjected to punishment. At first God had revealed Himself only to Moses, and the original intention had been that he alone was to perform all the miracles, but henceforth the word of God was addressed to Aaron as well, and he was given a share in doing the wonders.