Exodus 8:32

But Pharaoh hardened his heart this time also and did not let the people go.

Exodus 8:15

But when Pharaoh saw there was relief, he hardened his heart and would not listen to them, as the Lord had said.

Exodus 4:21

The Lord instructed Moses, “When you go back to Egypt, make sure you do all the wonders before Pharaoh that I have put within your power. But I will harden his heart so that he won’t let the people go.

Exodus 7:13-14

However, Pharaoh’s heart hardened, and he did not listen to them, as the Lord had said.

Exodus 8:8

Pharaoh summoned Moses and Aaron and said, “Ask Yahweh to remove the frogs from me and my people. Then I will let the people go and they can sacrifice to Yahweh.”

Isaiah 63:17

Why, Yahweh, do You make us stray from Your ways?
You harden our hearts so we do not fear You.
Return, because of Your servants,
the tribes of Your heritage.

Acts 28:26-27

when He said,

Go to these people and say:
You will listen and listen,
yet never understand;
and you will look and look,
yet never perceive.

Romans 2:5

But because of your hardness and unrepentant heart you are storing up wrath for yourself in the day of wrath, when God’s righteous judgment is revealed.

James 1:13-14

No one undergoing a trial should say, “I am being tempted by God.” For God is not tempted by evil, and He Himself doesn’t tempt anyone.

Treasury of Scripture Knowledge

Summary

And Pharaoh hardened his heart at this time also, neither would he let the people go.

Bible References

General references

Exodus 8:15
But when Pharaoh saw there was relief, he hardened his heart and would not listen to them, as the Lord had said.
Exodus 4:21
The Lord instructed Moses, “When you go back to Egypt, make sure you do all the wonders before Pharaoh that I have put within your power. But I will harden his heart so that he won’t let the people go.
Exodus 7:13
However, Pharaoh’s heart hardened, and he did not listen to them, as the Lord had said.
Isaiah 63:17
Why, Yahweh, do You make us stray from Your ways?
You harden our hearts so we do not fear You.
Return, because of Your servants,
the tribes of Your heritage.
Acts 28:26
when He said,

Go to these people and say:
You will listen and listen,
yet never understand;
and you will look and look,
yet never perceive.
Romans 2:5
But because of your hardness and unrepentant heart you are storing up wrath for yourself in the day of wrath, when God’s righteous judgment is revealed.
James 1:13
No one undergoing a trial should say, “I am being tempted by God.” For God is not tempted by evil, and He Himself doesn’t tempt anyone.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.