Exodus 9:35

And the heart of Pharaoh was hardened, neither would he let the children of Israel go; as the LORD had spoken by Moses.

Exodus 4:21

And the LORD said to Moses, When thou goest to return into Egypt, see that thou perform all those wonders before Pharaoh which I have put in thy hand: but I will harden his heart, 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 afterwards they turned, and caused the servants and the handmaids, whom they had liberated, to return, and brought them into subjection for servants and for handmaids.