Pharaoh's heart that # 02_EXO_07_13 # And he hardened Pharaoh's heart, that he hearkened not unto them; as the LORD had said. 
Pharaoh's heart that # 02_EXO_14_04 # And I will harden Pharaoh's heart, that he shall follow after them; and I will be honoured upon Pharaoh, and upon all his host; that the Egyptians may know that I [am] the LORD. And they did so.