Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass by him, for LORD thy God hardened his spirit, and made his heart obstinate, that he might deliver him into thy hand, as at this day.
Exodus 4:21
And LORD said to Moses, When thou go back into Egypt, see that thou do before Pharaoh all the wonders which I have put in thy hand, but I will harden his heart and he will not let the people go.
Numbers 21:23
And Sihon would not allow Israel to pass through his border, but Sihon gathered all his people together, and went out against Israel into the wilderness, and came to Jahaz, and he fought against Israel.
Exodus 11:10
And Moses and Aaron did all these wonders before Pharaoh. And LORD hardened Pharaoh's heart, and he did not let the sons of Israel go out of his land.
Joshua 11:19-20
There was not a city that made peace with the sons of Israel, except the Hivites the inhabitants of Gibeon. They took all in battle.
Judges 11:20
But Sihon did not trust Israel to pass through his border, but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.
Isaiah 48:4
Because I knew that thou are obstinate, and thy neck is an iron sinew, and thy brow brass,
Romans 9:17-23
For the scripture says to Pharaoh, For this same thing I raised thee up, that I might display in thee my power, and that my name might be proclaimed in all the earth.