Adam Clarke's Commentary on the Bible - Exodus 7:7
Moses was fourscore years old - He was forty years old when he went to Midian, and he had tarried forty years in Midian; (see Exodus 2:11 , and Acts 7:30 ;); and from this verse it appears that Aaron was three years older than Moses. We have already seen that Miriam their sister was older than either, Exodus 2:4 . read more
Adam Clarke's Commentary on the Bible - Exodus 7:5
And bring out the children of Israel - Pharaoh's obstinacy was either caused or permitted in mercy to the Egyptians, that he and his magicians being suffered to oppose Moses and Aaron to the uttermost of their power, the Israelites might be brought out of Egypt in so signal a manner, in spite of all the opposition of the Egyptians, their king, and their gods, that Jehovah might appear to be All-mighty and All-sufficient. read more