Exodus 9:35
So was the heart of Pharaoh hardened, that he would not let the children of Israel go, as the LORD had said by Moses.
Exodus 4:21
And the LORD said unto Moses, "When thou art come into Egypt again, see that thou do all the wonders before Pharaoh which I have put in thy hand: but I will harden his heart, so that he shall not let the people go.
Treasury of Scripture Knowledge
Summary
And the heart of Pharaoh was hardened, neither would he let the children of Israel go; as the LORD had spoken by Moses.
General references
Bible References
General references
Jeremiah 34:11
But afterward they repented, and took again the servants and the hand maidens, whom they had let go free, and so made them bond again.