Exodus 10:20 References

20 But athe Lord hardened Pharaoh's heart, and he did not let the sons of Israel go.

a Exodus 4:21, Exodus 11:10


Exodus 4

21 The Lord said to Moses, "When you go back to Egypt see that you perform before Pharaoh all athe wonders which I have put in your power; but bI will harden his heart so that he will not let the people go.

Exodus 11

10 aMoses and Aaron performed all these wonders before Pharaoh; yet bthe Lord hardened Pharaoh's heart, and he did not let the sons of Israel go out of his land.