Matthew 13:15

For the heart of this people is obtuse, their ears are heavy of hearing, their eyes they have closed, lest they see with their eyes and hear with their ears, lest they understand with their heart and turn again, and I cure them.

Hebrews 5:11

On this point I have a great deal to say, which it is hard to make intelligible to you. For you have grown dull of hearing.

John 8:43-44

Why do you not understand my speech? Because you are unable to listen to what I am saying.

2 Timothy 4:4

they will give up listening to the Truth and turn to myths.

Mark 4:12

so that for all their seeing they may not perceive, and for all their hearing they may not understand, lest they turn and be forgiven."

Acts 3:19

Repent then, and turn to have your sins blotted out, so that a breathing-space may be vouchsafed you,

Acts 7:57

With a loud shriek they shut their ears and rushed at him like one man.

2 Thessalonians 2:10-11

and with the full deceitfulness of evil for those who are doomed to perish, since they refuse to love the Truth that would save them.

2 Timothy 2:25-26

he must be gentle in his admonitions to the opposition ??God may perhaps let them change their mind and admit the Truth;

Hebrews 6:4-6

For in the case of people who have been once enlightened, who tasted the heavenly Gift, who participated in the holy Spirit,

Revelation 22:2

through the streets of the City; on both sides of the river grew the tree of Life, bearing twelve kinds of fruit, each month having its own fruit; and the leaves served to heal 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
Why do you not understand my speech? Because you are unable to listen to what I am saying.
Acts 7:57
With a loud shriek they shut their ears and rushed at him like one man.
2 Timothy 4:4
they will give up listening to the Truth and turn to myths.
Hebrews 5:11
On this point I have a great deal to say, which it is hard to make intelligible to you. For you have grown dull of hearing.

And should be

Acts 3:19
Repent then, and turn to have your sins blotted out, so that a breathing-space may be vouchsafed you,
2 Timothy 2:25
he must be gentle in his admonitions to the opposition ??God may perhaps let them change their mind and admit the Truth;
Hebrews 6:4
For in the case of people who have been once enlightened, who tasted the heavenly Gift, who participated in the holy Spirit,

And i

Mark 4:12
so that for all their seeing they may not perceive, and for all their hearing they may not understand, lest they turn and be forgiven."
Revelation 22:2
through the streets of the City; on both sides of the river grew the tree of Life, bearing twelve kinds of fruit, each month having its own fruit; and the leaves served to heal the nations.

General references

Matthew 24:39
and as they knew nothing till the deluge came and swept them all away; so will the arrival of the Son of man be.