it was

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 9:16
But I have raised you up for this very purpose, that I might display to you My power, and that My name might be proclaimed in all the earth.

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.

Judges 14:4
(Now his father and mother did not know this was from the LORD, who was seeking an occasion to move against the Philistines; for at that time the Philistines were ruling over Israel.)

1 Samuel 2:25
If a man sins against another man, God can intercede for him, but if a man sins against the LORD, who can intercede for him?" But they would not listen to their father, since the LORD intended to put them to death.

1 Kings 12:15
So the king did not listen to the people, and indeed this turn of events was from the LORD, to fulfill the word He had spoken to Jeroboam son of Nebat through Ahijah the Shilonite.

1 Kings 22:20-23
And the LORD said, 'Who will entice Ahab to march up and fall at Ramoth-gilead?' And one suggested this, and another that. . . .

2 Chronicles 25:16
While he was still speaking, the king asked, "Have we made you the counselor to the king? Stop! Why be struck down?" So the prophet stopped, but he said, "I know that God has determined to destroy you, because you have done this and have not listened to my advice."

Isaiah 6:9, 10
And He replied, "Go and tell this people: 'Be ever hearing, but never understanding; be ever seeing, but never perceiving.' . . .

Romans 9:18, 22, 23
Therefore God has mercy on whom He wants to have mercy, and He hardens whom He wants to harden. . . .

as the Lord

Joshua 11:12-15
Joshua captured all these kings and their cities and struck them down with the sword. He utterly destroyed them, as Moses the LORD's servant had commanded. . . .

Deuteronomy 20:16, 17
However, in the cities of the nations that the LORD your God is giving you as an inheritance, you must not leave alive anything that breathes. . . .