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 temptation in the wilderness,
Revelation 16:9
And the people were scorched with a great heat, and blasphemed the name of God, Who has power over these plagues: and they did not repent to give him glory.