Romans 9:18
So then he hath mercy on whom he will, and hardeneth whom he will.
John 12:40
"He hath blinded their eyes, and hardened their heart; lest they should see with their eyes, and understand with their heart, and turn from their ways, and I should heal them."
Romans 1:28
And as they did not choose to retain God in their knowledge, God gave them up to a reprobate mind, to do things which are shameful;
Romans 11:8-10
as it is written: "God gave them a spirit of slumber, eyes that were not to see, and ears that were not to hear, unto this day."
2 Corinthians 2:16
to the latter we are the odor of death, producing death; and to the former the odor of life, producing life. And who is sufficient for these things?
2 Thessalonians 2:10-12
and in all deceit of unrighteousness for those who are perishing; because they received not the love of the truth, that they might be saved.
1 Peter 2:8
and "a stone of stumbling, and a rock to strike against;" even to those who stumble, being disobedient to the word; to which they were also appointed.