John 12:39-41

Amplified Bible, Classic Edition

³⁹ Therefore they could not believe [they were unable to believe]. For Isaiah has also said,

⁴⁰ He has blinded their eyes and hardened and benumbed their [callous, degenerated] hearts [He has made their minds dull], to keep them from seeing with their eyes and understanding with their hearts and minds and repenting and turning to Me to heal them.

⁴¹ Isaiah said this because he saw His glory and spoke of Him.^(A)