They understood not that he spake to them of the Father.
John 8:43
Why do ye not understand my speech? even because ye cannot hear my word.
John 8:47
He that is of God heareth God's words: ye therefore hear them not, because ye are not of God.
Isaiah 6:9
And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.
Isaiah 42:18-20
18
Hear, ye deaf; and look, ye blind, that ye may see.
19
Who is blind, but my servant? or deaf, as my messenger that I sent? who is blind as he that is perfect, and blind as the LORD'S servant?
20
Seeing many things, but thou observest not; opening the ears, but he heareth not.
Isaiah 59:10
We grope for the wall like the blind, and we grope as if we had no eyes: we stumble at noonday as in the night; we are in desolate places as dead men.
Romans 11:7-10
7
What then? Israel hath not obtained that which he seeketh for; but the election hath obtained it, and the rest were blinded
8
According as it is written, God hath given them the spirit of slumber, eyes that they should not see, and ears that they should not hear;) unto this day.
9
And David saith, Let their table be made a snare, and a trap, and a stumblingblock, and a recompence unto them:
10
Let their eyes be darkened, that they may not see, and bow down their back alway.
2 Corinthians 4:3
But if our gospel be hid, it is hid to them that are lost:
2 Corinthians 4:4
In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.