'Hardened' in the Bible

Yet Pharaoh’s heart was hardened and he would not listen to them, just as the Lord had said.

Then the magicians said to Pharaoh, “This is the [supernatural] finger of God.” But Pharaoh’s heart was hardened and he would not listen to them, just as the Lord had said.

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

Then Pharaoh sent [men to investigate], and not even one of the livestock of the Israelites had died. But the heart of Pharaoh was hardened [and his mind was firmly set], and he did not let the people go.

But the Lord hardened the heart of Pharaoh, and he did not listen or pay attention to them, just as the Lord had told Moses.

Moses and Aaron did all these wonders (miracles) before Pharaoh; yet the Lord hardened Pharaoh’s heart, and he did not let the Israelites go out of his land.