Bible: Seeing Hearing Understand See Not

Repeated words found across different books in the Bible (KJV):
Mat 13:13
Therefore speak I to them in parables: because they seeing see not; and hearing they hear not, neither do they understand.

Mat 13:14
And in them is fulfilled the prophecy of Esaias, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall 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 others in parables; that seeing they might not see, and hearing they might not understand.

Acts 28:26
Saying, Go unto this people, and say, Hearing ye shall hear, and shall not understand; and seeing ye shall see, and not perceive: