Exodus 11:9
And Yahweh said to Moses, "Pharaoh will not listen to you, {so that my wonders may multiply} in the land of Egypt."
Exodus 7:3-4
And I myself will harden the heart of Pharaoh, and I will make my signs and my wonders numerous in the land of Egypt.
Exodus 3:19
But I myself know that the king of Egypt will not allow you to go {unless compelled by a strong hand}.
Exodus 10:1
And Yahweh said to Moses, "Go to Pharaoh, for I have made his heart {insensitive} and the heart of his servants in order to put these signs of mine in his midst,
Romans 9:16-18
Consequently therefore, {it does not depend on the} one who wills or on the one who runs, but on God who shows mercy.