Treasury of Scripture Knowledge
Summary
O LORD, why hast thou made us to err from thy ways, and hardened our heart from thy fear? Return for thy servants' sake, the tribes of thine inheritance.
And hardened
Bible References
Why
2 Thessalonians 2:11
And for this reason God sends them a misleading influence that they may believe the lie;
And hardened
John 12:40
"He has blinded their eyes and made their minds callous, lest they should see with their eyes and perceive with their minds, and should turn, and I should heal them."
Romans 9:18
This is a proof that wherever He chooses He shows mercy, and wherever he chooses He hardens the heart.