Exodus 4:4

4:4 But the Lord said to Moses, “Put out your hand and grab it by the tail” – so he put out his hand and caught it, and it became a staff in his hand

Exodus 7:22

7:22 But the magicians of Egypt did the same by their secret arts, and so Pharaoh’s heart remained hard, and he refused to listen to Moses and Aaron – just as the Lord had predicted.

Exodus 8:19

8:19 The magicians said to Pharaoh, “It is the finger of God!” But Pharaoh’s heart remained hard, and he did not listen to them, just as the Lord had predicted.

Exodus 9:12

9:12 But the Lord hardened Pharaoh’s heart, and he did not listen to them, just as the Lord had predicted to Moses.

Exodus 9:35

9:35 So Pharaoh’s heart remained hard, and he did not release the Israelites, as the Lord had predicted through Moses.

Exodus 14:4

14:4 I will harden Pharaoh’s heart, and he will chase after them. I will gain honor because of Pharaoh and because of all his army, and the Egyptians will know that I am the Lord.” So this is what they did.

Exodus 14:8

14:8 But the Lord hardened the heart of Pharaoh king of Egypt, and he chased after the Israelites. Now the Israelites were going out defiantly.

Exodus 14:17

14:17 And as for me, I am going to harden the hearts of the Egyptians so that they will come after them, that I may be honored because of Pharaoh and his army and his chariots and his horsemen.