The second wonder connected with the rod of Moses likewise conveyed a double meaning, in that it pointed to the coming redemption of Israel, and taught Moses a specific lesson. At the bidding of God, Moses cast his rod on the ground, and it became a serpent, to show him that when he traduced Israel, he was following the example of the abusive serpent, and also to show him that the great dragon that lieth in the midst of the rivers of Egypt, though he was now hacking into Israel with his teeth, would be rendered harmless like the rod of wood, which has no power to bite.