Matthew 13:14
And in them is fulfilled the prophecy of Isaiah, which says; Hearing you shall hear and not understand, and seeing you shall see and not perceive;
Mark 4:12
that seeing they may see, and not perceive, and hearing they may hear, and not understand, lest at any time they should turn, and be forgiven.
Luke 8:10
And he said, It is given to you to know the mysteries of the kingdom of God, but to others in parables; that seeing they may not see, and hearing they may not understand.
John 12:39-40
For this reason they could not believe, because, Isaiah said again,
Acts 28:25-27
and disagreeing among themselves they were dismissed by Paul, saying one word; Well did the Holy Spirit speak by Isaiah the prophet to our fathers,
2 Corinthians 3:14
but their minds were blinded. For to this day in reading the old covenant the same vail remains, not taken away because it is taken away in Christ;