Matthew 13:14
And in them is fulfilled the prophecy of Isaiah, which says, By hearing ye shall hear and shall not understand, and seeing ye shall see and shall not perceive;
Isaiah 6:9-10
Then he said, Go and tell this people, Hear indeed, but do not understand; and see indeed, but do 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 be converted, and their sins should be forgiven them.
Luke 8:10
And he said, Unto you it is given to know the mysteries of the kingdom of God, but to the others in parables that seeing they might not see and hearing they might not understand.
Ezekiel 12:2
Son of man, thou dwellest in the midst of a rebellious house, which have eyes to see and do not see; they have ears to hear and do not hear; for they are a rebellious house.
John 12:39-40
Therefore they could not believe, because Isaiah said again,
Acts 28:25-27
And when they did not agree among themselves, they departed, after Paul had spoken this word, Well spoke the Holy Spirit by Isaiah the prophet unto our fathers,
Romans 11:8-10
(according as it is written, God has given them the spirit of anguish, eyes with which they do not see and ears with which they do not hear) unto this day.
2 Corinthians 3:14
(And thus their senses became hardened, for until this day remains the same veil not uncovered in the reading of the old testament, which veil is taken away in Christ.