Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass by him: for the LORD your God hardened his spirit, and made his heart obstinate, that he might deliver him into your hand, as it is this day.
Exodus 4:21
And the LORD said unto Moses, When you go to return into Egypt, see that you do all those wonders before Pharaoh, whom I have put in your hand: but I will harden his heart, that he shall not let the people go.
Numbers 21:23
And Sihon would not allow Israel to pass through his territory: but Sihon gathered all his people together, and went out against Israel into the wilderness: and he came to Jahaz, and fought against Israel.
Exodus 11:10
And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.
Joshua 11:19-20
There was not a city that made peace with the children of Israel, except the Hivites the inhabitants of Gibeon: all others they took in battle.
Judges 11:20
But Sihon trusted not Israel to pass through his territory: but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.
Isaiah 48:4
Because I knew that you are obstinate, and your neck is an iron sinew, and your brow bronze;
Romans 9:17-23
For the scripture says unto Pharaoh, Even for this same purpose have I raised you up, that I might show my power in you, and that my name might be declared throughout all the earth.