Matthew 13:14
And in them is fulfilled the prophesy of Isaiah, which says: You shall surely hear, and you will not understand; and you shall surely see, and you will not perceive.
Mark 4:12
that they may surely see, and not perceive; and that they may surely hear, and not understand; lest they should turn to me, and their sins should be forgiven them.
Luke 8:10
He replied: To you it is given to know the mysteries of the kingdom of God: but to others in parables; that when they see, they may not see, and when they hear, they may not understand.
John 12:39-40
For this reason they could not believe, because Isaiah said again:
Acts 28:25-27
And not agreeing among themselves, they departed, after Paul had spoken one word: Well did the Holy Spirit speak to our fathers by Isaiah the prophet,
Romans 11:8-10
as it is written: God has given them a spirit of stupor, eyes with which they can not see, and ears with which they can not hear.
2 Corinthians 3:14
But their minds were blinded: for till this day, in the reading of the old covenant, the same vail remains not taken away, which vail is removed in Christ.