Exodus 9:14

I will... send all my plagues upon thine heart. — The naturally obdurate heart of Pharaoh, which he had further indurated by his own voluntary action (Exodus 8:15; Exodus 8:32), and which God had begun to harden penally (Exodus 9:12), was now to be softened by a repetition of blow after blow, until it should finally succumb, and yield, and humble itself under the mighty hand of God, and consent to the departure of the whole people, with flocks, and herds, and “little ones.”