Exodus 7:3-4 - And I will harden Pharaoh's heart, and multiply my signs and my wonders in the land of Egypt.But Pharaoh shall not hearken unto you, that I may lay my hand upon Egypt, and bring forth mine armies, and my people the children of Israel, out of the land of Egypt by great judgments. (Verses like Exodus 7:3)
Exodus 3:19 - And I am sure that the king of Egypt will not let you go, no, not by a mighty hand. (Verses like Exodus 3:19)
Exodus 10:1 - And the LORD said unto Moses, Go in unto Pharaoh: for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him: (Verses like Exodus 10:1)
Romans 9:16-18 - So then it is not of him that willeth, nor of him that runneth, but of God that sheweth mercy.For the scripture saith unto Pharaoh, Even for this same purpose have I raised thee up, that I might shew my power in thee, and that my name might be declared throughout all the earth.Therefore hath he mercy on whom he will have mercy, and whom he will he hardeneth. (Verses like Romans 9:16)