Deuteronomy 2:30
But King Sihon of Heshbon did not allow us to pass through, because the LORD your God had hardened his spirit and made him arrogant, in order to deliver him into your control today.
Exodus 4:21
Then the LORD told Moses, "When you set out to return to Egypt, keep in mind all the wonders that I've put in your power, so that you may do them before Pharaoh. But I'll harden his heart so that he won't let the people go.
Numbers 21:23
Instead of letting Israel pass through his territory, Sihon mustered his entire army and marched out to meet them in the wilderness. He arrived at Jahaz and attacked Israel.
Exodus 11:10
Moses and Aaron did all these wonders in front of Pharaoh, but the LORD made Pharaoh's heart stubborn, and he would not let the Israelis go out from his land.
Joshua 11:19-20
There wasn't a single city that made a peace accord with the Israelis, except the Hivites who lived in Gibeon. The Israelis captured all the rest in battle,
Judges 11:20
But Sihon didn't trust Israel to pass through his territory, so he assembled his entire army, encamped in Jahaz, and fought against Israel.
Isaiah 48:4
Because I knew that you are obstinate, and because your neck is an iron sinew, and your forehead is bronze,
Romans 9:17-23
For the Scripture says about Pharaoh, "I have raised you up for this very purpose, to demonstrate my power through you and that my name might be proclaimed in all the earth."