Treasury of Scripture Knowledge

Summary

But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the LORD had said.

Bible References

He hardened

Hebrews 3:8
You must not harden your hearts as they did in provoking me, as on the day in the desert they tested me,
Revelation 16:9
so that men were severely scorched, but they only cursed the name of God who had authority over these plagues, and would not repent and give Him glory.