And the Lord said to him as he was returning into Egypt: See that thou do all the wonders before Pharao, which I have put in thy hand. I shall harden his heart, and he will not let the people go.
And Moses and Aaron did all the wonders that are written, before Pharao. And the Lord hardened Pharao's heart: neither did he let the children of Israel go out of his land.
And Sehon the king of Hesebon would not let us pass: because the Lord thy God had hardened his spirit, and fixed his heart, that he might be delivered into thy hands, as now thou seest.
And he made a very strong wind to blow from the west: and it took the locusts and cast them into the Red Sea. There remained not so much as one in all the coasts of Egypt.