Romans 11:8
According as it is written, God hath given them a spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.
Matthew 13:13-14
Therefore I speak to them in parables, because seeing they see not, and hearing they hear not, neither do they understand.
Mark 4:11-12
And he said to them, To you it is given to know the mystery of the kingdom of God: but to them that are without, all things are in parables:
Luke 8:10
And he said, To you it is given to know the mysteries of the kingdom of God, but to others in parables, so that seeing they do not see, and hearing they do not understand.
Acts 28:26
Saying, Go to this people and say, Hearing ye shall hear, and shall not understand, and seeing ye shall see, and shall not perceive.
2 Corinthians 3:14-15
But their understandings were blinded: and until this day the same veil remaineth unremoved on the reading of the old testament, which is taken away in Christ.