Exodus 10:1 in the King James Version
And the LORD said unto Moses, Go in unto Pharaoh: for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him:
Context
1 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 my signs among them;
2 and that you may tell in the hearing of your son, and of your son’s son, what things I have done to Egypt, and my signs which I have done among them; that you may know that I am the LORD.”