Matthew 13:15

For the mind of this nation has grown dense, And their ears are dull of hearing, Their eyes also have they closed; Lest some day they should perceive with their eyes, And with their ears they should hear, And in their mind they should understand, and should turn--And I should heal them.'

Hebrews 5:11

Now on this subject I have much to say, but it is difficult to explain it to you, because you have shown yourselves so slow to learn.

John 8:43-44

How is it that you do not understand what I say? It is because you cannot bear to listen to my Message.

2 Timothy 4:4

They will turn a deaf ear to the Truth, and give their attention to legends instead.

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.'

Acts 3:19

Therefore, repent and turn, that your sins may be wiped away; so that happier times may come from the Lord himself,

Acts 7:57

At this, with a loud shout, they stopped their ears and all rushed upon him, forced him outside the city,

2 Thessalonians 2:10-11

to the ruin of those who are on the path to destruction, because they have never received and loved the Truth to their own Salvation.

2 Timothy 2:25-26

He should instruct his opponents in a gentle spirit; for, possibly, God may give them a repentance that will lead to a fuller knowledge of Truth,

Hebrews 6:4-6

For if those who were once for all brought into the Light, and learned to appreciate the gift from Heaven, and came to share in the Holy Spirit,

Revelation 22:2

in the middle of the street of the City. On each side of the river was a Tree of Life which bore twelve kinds of fruit, yielding its fruit each month; and the leaves of the tree were for the healing of the nations.

Treasury of Scripture Knowledge

Summary

For this people's heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.

General references

Bible References

Ears

John 8:43
How is it that you do not understand what I say? It is because you cannot bear to listen to my Message.
Acts 7:57
At this, with a loud shout, they stopped their ears and all rushed upon him, forced him outside the city,
2 Timothy 4:4
They will turn a deaf ear to the Truth, and give their attention to legends instead.
Hebrews 5:11
Now on this subject I have much to say, but it is difficult to explain it to you, because you have shown yourselves so slow to learn.

And should be

Acts 3:19
Therefore, repent and turn, that your sins may be wiped away; so that happier times may come from the Lord himself,
2 Timothy 2:25
He should instruct his opponents in a gentle spirit; for, possibly, God may give them a repentance that will lead to a fuller knowledge of Truth,
Hebrews 6:4
For if those who were once for all brought into the Light, and learned to appreciate the gift from Heaven, and came to share in the Holy Spirit,

And i

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.'
Revelation 22:2
in the middle of the street of the City. On each side of the river was a Tree of Life which bore twelve kinds of fruit, yielding its fruit each month; and the leaves of the tree were for the healing of the nations.

General references

Matthew 24:39
Taking not notice till the flood came and swept them one and all away; and so will it be at the Coming of the Son of Man.