John 12:40 in the King James Version
He hath blinded their eyes, and hardened their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them.
Context
39 For this cause they couldn’t believe, for Isaiah said again:
40 “He has blinded their eyes and he hardened their heart, lest they should see with their eyes, and perceive with their heart, and would turn, and I would heal them.”
41 Isaiah said these things when he saw his glory, and spoke of him.