Then the Lord said to Moses, “Go in to Pharaoh; for I have hardened his heart and the heart of his servants, that I may show these signs of mine among them,
Go to Pharaoh in the morning, as he is going out to the water; wait for him by the river's brink, and take in your hand the rod which was turned into a serpent.
And Pharaoh sent, and behold, not one of the cattle of the Israelites was dead. But the heart of Pharaoh was hardened, and he did not let the people go.
They made their hearts like adamant lest they should hear the law and the words which the Lord of hosts had sent by his Spirit through the former prophets. Therefore great wrath came from the Lord of hosts.
But Sihon the 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 give him into your hand, as at this day.
See that you do not refuse him who is speaking. For if they did not escape when they refused him who warned them on earth, much less shall we escape if we reject him who warns from heaven.
Why should you harden your hearts as the Egyptians and Pharaoh hardened their hearts? After he had made sport of them, did not they let the people go, and they departed?