Exodus 7:13 And he hardened Pharaoh’s heart, that he hearkened not unto them; as the Lord had said. 10 I MC VC

Exodus 7:22 And the magicians of Egypt did so with their enchantments: and Pharaoh’s heart was hardened, neither did he hearken unto them; as the Lord had said. 10 I MC VC

Exodus 8:15 But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the Lord had said. 10 I MC VC