the Lord

Exodus 4:21
The LORD instructed Moses, "When you go back to Egypt, see that you perform before Pharaoh all the wonders that I have put within your power. But I will harden his heart so that he will not let the people go.

Exodus 7:13, 14
Still, Pharaoh's heart was hardened, and he did not listen to them, just as the LORD had said. . . .

Exodus 10:20, 27
But the LORD hardened Pharaoh's heart, and he would not let the Israelites go. . . .

Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass through, for the LORD your God had made his spirit stubborn and his heart obstinate, that He might give him into your hands, as is the case this day.

1 Samuel 6:6
Why harden your hearts as the Egyptians and Pharaoh hardened theirs? When He afflicted them, did they not send the people on their way as they departed?

Job 9:4
God is wise in heart and mighty in strength. Who has hardened himself against Him and prospered?

Romans 2:4, 5
Or do you disregard the riches of His kindness, tolerance, and patience, not realizing that God's kindness leads you to repentance? . . .

Romans 9:22
What if God, intending to show His wrath and make His power known, bore with great patience the vessels of His wrath, prepared for destruction?