Acts 28:26
'Go to this nation and say--"You will hear with your ears without ever understanding, and, though you have eyes, you will see without ever perceiving."
Matthew 13:14-15
And in them is being fulfilled that prophecy of Isaiah which says--'You will hear with your ears without ever understanding, And, though you have eyes, you will see without ever perceiving,
Mark 4:12
'Though they have eyes, they may see without perceiving; And though they have ears, they may hear without understanding; Lest some day they should turn and be forgiven.'
Luke 8:10
"To you," he said, "the knowledge of the hidden truths of the Kingdom of God has been imparted, but to others in parables only, that 'though they have eyes they may not see, and though they have ears, they may not understand.'
Mark 8:17-18
And, noticing this, Jesus said to them: "Why are you talking about your being short of bread? Do not you yet see or understand? Are your minds still so slow or comprehension?
Luke 24:25
Then Jesus said to them: "O foolish men, slow to accept all that the Prophets have said!
Luke 24:45
Then he enabled them to understand the meaning of the Scriptures, saying to them:
John 12:38-40
In fulfillment of the words of the Prophet Isaiah, where he says--'Lord, who has believed our teaching? And to whom has the might of the Lord been revealed?'
Romans 11:8-10
The rest grew callous; as Scripture says--'God has given them a deadness of mind--eyes that are not to see and ears that are not to hear--and it is so to this very day.'
2 Corinthians 4:4-6
Men whose minds have been blinded by the God of this Age, unbelievers as they are, so that the light from the Good News of the glory of the Christ, who is the very incarnation of God, should not shine for them.