4 Bible Verses about God Hardening People

Therefore he has mercy on whom he wills, and he hardens the heart of whom he wills.

"He has blinded their eyes and hardened their hearts, lest they should see with their eyes, and understand with their hearts and turn, so that I should heal them."

What then? Israel did not obtain what it sought. The elect obtained it, but the rest were hardened,

I do not want you to be ignorant of this mystery, brothers, so that you may not be conceited: Israel has experienced a hardening in part until the full number of the Gentiles has come in.