Matthew 13:14
In their case the prophecy of Isaiah is being fulfilled: You will hear and hear but never understand, you will see and see but never perceive.
Mark 4:12
so that for all their seeing they may not perceive, and for all their hearing they may not understand, lest they turn and be forgiven."
Luke 8:10
so he said, "It is granted you to understand the open secrets of the Reign of God, but the others get it in parables, so that for all their seeing they may not see, and for all their hearing they may not understand.
John 12:39-40
This was why they could not believe; for Isaiah again said,
Acts 28:25-27
As they could not agree among themselves, they were turning to go away, when Paul added this one word: "It was an apt word that the holy Spirit spoke by the prophet Isaiah to your fathers,
2 Corinthians 3:14
Besides, their minds were dulled, for to this very day, when the Old Testament is read aloud, the same veil hangs. Veiled from them the fact that the glory fades in Christ!