Exodus 5:1-2
After that, Moses and Aaron went to Pharaoh and said, “This is what the LORD, the God of Israel, says: ‘Let My people go, so that they may hold a feast to Me in the wilderness.’” / But Pharaoh replied, “Who is the LORD that I should obey His voice and let Israel go? I do not know the LORD, and I will not let Israel go.”

Exodus 7:16
Then say to him, ‘The LORD, the God of the Hebrews, has sent me to tell you: Let My people go, so that they may worship Me in the wilderness. But until now you have not listened.

Exodus 8:1-2
Then the LORD said to Moses, “Go to Pharaoh and tell him that this is what the LORD says: ‘Let My people go, so that they may worship Me. / But if you refuse to let them go, I will plague your whole country with frogs.

Exodus 10:3-4
So Moses and Aaron went to Pharaoh and told him, “This is what the LORD, the God of the Hebrews, says: ‘How long will you refuse to humble yourself before Me? Let My people go, so that they may worship Me. / But if you refuse to let My people go, I will bring locusts into your territory tomorrow.

Exodus 11:9-10
The LORD said to Moses, “Pharaoh will not listen to you, so that My wonders may be multiplied in the land of Egypt.” / Moses and Aaron did all these wonders before Pharaoh, but the LORD hardened Pharaoh’s heart so that he would not let the Israelites go out of his land.

Exodus 14:17
And I will harden the hearts of the Egyptians so that they will go in after them. Then I will gain honor by means of Pharaoh and all his army and chariots and horsemen.

Deuteronomy 6:22
Before our eyes the LORD inflicted great and devastating signs and wonders on Egypt, on Pharaoh, and on all his household.

Deuteronomy 7:19
the great trials that you saw, the signs and wonders, and the mighty hand and outstretched arm by which the LORD your God brought you out. The LORD your God will do the same to all the peoples you now fear.

Deuteronomy 11:3-4
the signs and works He did in Egypt to Pharaoh king of Egypt and all his land; / what He did to the Egyptian army and horses and chariots when He made the waters of the Red Sea engulf them as they pursued you, and how He destroyed them completely, even to this day;

Psalm 78:43-51
when He performed His signs in Egypt and His wonders in the fields of Zoan. / He turned their rivers to blood, and from their streams they could not drink. / He sent swarms of flies that devoured them, and frogs that devastated them. ...

Psalm 105:27-36
They performed His miraculous signs among them, and wonders in the land of Ham. / He sent darkness, and it became dark—yet they defied His words. / He turned their waters to blood and caused their fish to die. ...

Psalm 135:8-9
He struck down the firstborn of Egypt, of both man and beast. / He sent signs and wonders into your midst, O Egypt, against Pharaoh and all his servants.

Psalm 136:10-12
He struck down the firstborn of Egypt His loving devotion endures forever. / and brought Israel out from among them His loving devotion endures forever. / with a mighty hand and an outstretched arm. His loving devotion endures forever.

Acts 7:36
He led them out and performed wonders and signs in the land of Egypt, at the Red Sea, and for forty years in the wilderness.

Romans 9:17-18
For the Scripture says to Pharaoh: “I raised you up for this very purpose, that I might display My power in you, and that My name might be proclaimed in all the earth.” / Therefore God has mercy on whom He wants to have mercy, and He hardens whom He wants to harden.