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
harden not your hearts, as in the provocation, in the day of the temptation in the wilderness,
Revelation 16:9
and men were scorched with great heat. And men blasphemed the name of God, who had the power over these plagues; and they repented not, to give him glory.