Exodus 9:30,34
But as for you and your servants, I know that you will not yet fear the LORD God.
Nave's Topical Index—AKJV

Exodus 10:27
But the LORD hardened Pharaoh's heart, and he would not let them go.
Nave's Topical Index—AKJV

Exodus 14:5-9
And it was told the king of Egypt that the people fled: and the heart of Pharaoh and of his servants was turned against the people, and they said, Why have we done this, that we have let Israel go from serving us?
Nave's Topical Index—AKJV