Exodus 10:1 - 12:51
ESV - 1 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. 2 And that you may tell in the hearing of your son and of your grandson how I have dealt harshly with the Egyptians and what signs I have done among them, that you may know that I am the Lord.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.