Exodus 9:17

17.As yet exaltest thou thyself. The expression which Moses uses (110) denotes the pride of Pharaoh; because he too insolently exalted himself by trampling on the people. God therefore inquires, as if in astonishment, what this blinded fury meant, that the tyrant should hope that the injuries whereby he undeservedly afflicted God’s people, would be permitted with impunity? For he was already taught, by many miracles, that God had, as their protector, undertaken the cause of His people, so that He would be the avenger of all their unjust treatment. At the same time He ironically reproves the tyrant’s folly, in that he was not humbled by so many chastisements; as if He had said, that although, when intoxicated by prosperity, he might have raged against the wretched people with tyrannical and persevering arbitrariness, yet, after undergoing so many plagues, it was surely time to cease.