Romans 9:18
Then therefore he has mercy on whom he will, and whom he will he hardens.
John 12:40
He hath blinded their eyes, and hardened their heart; in order that they may not see with their eyes, nor understand with their heart, and turn, and I shall heal them.
Romans 1:28
And as they did not approve to have God in their knowledge, God gave them up to a reprobate mind, to do those things which are inappropriate;
Romans 11:8-10
as has been written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.
2 Corinthians 2:16
unto the latter a savour from death unto death; but unto the former a savour from life unto life. And who is sufficient for these things?
2 Thessalonians 2:10-12
and in all the deception of unrighteousness to those who perish; because they did not receive the divine love of the truth, that they might be saved.
1 Peter 2:8
who stumble over the word, disbelieving: unto which they indeed were appointed.