9 And Moses went forth from Pharaoh with great anger. And the Lord said to Moses, Pharaoh will not heed you, that I may greatly multiply My signs and wonders in the land of Egypt.
Exodus 11:9 Cross References - CAB
Exodus 3:19
19 But I know that Pharaoh king of Egypt will not let you go, except by a mighty hand;
Exodus 7:3-4
Exodus 10:1
1 And the Lord spoke to Moses, saying, Go in to Pharaoh; for I have hardened his heart and the heart of his servants, that these signs may come upon them; in order
Romans 9:16-18
16 So then it is not of him that wills, nor of him that runs, but of God who shows mercy.
17 For the Scripture says to Pharaoh, "For this very thing I have raised you up, that I may show My power in you, and that My name may be proclaimed in all the earth."
18 So then He has mercy on whom He wills, and whom He wills He hardens.