Matthew 13:15

For this people's heart is waxed gross, And their ears are dull of hearing, And their eyes they have closed; Lest haply they should perceive with their eyes, And hear with their ears, And understand with their heart, And should turn again, And I should heal them.

Hebrews 5:11

Of whom we have many things to say, and hard of interpretation, seeing ye are become dull of hearing.

Psalm 119:70

Their heart is as fat as grease; But I delight in thy law.

Zechariah 7:11

But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they might not hear.

John 8:43-44

Why do ye not understand my speech? Even because ye cannot hear my word.

2 Timothy 4:4

and will turn away their ears from the truth, and turn aside unto fables.

Isaiah 6:10

Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they sea with their eyes, and hear with their ears, and understand with their heart, and turn again, and be healed.

Isaiah 29:10-12

For Jehovah hath poured out upon you the spirit of deep sleep, and hath closed your eyes, the prophets; and your heads, the seers, hath he covered.

Isaiah 44:20

He feedeth on ashes; a deceived heart hath turned him aside; and he cannot deliver his soul, nor say, Is there not a lie in my right hand?

Isaiah 57:18

I have seen his ways, and will heal him: I will lead him also, and restore comforts unto him and to his mourners.

Jeremiah 3:22

Return, ye backsliding children, I will heal your backslidings. Behold, we are come unto thee; for thou art Jehovah our God.

Jeremiah 17:14

Heal me, O Jehovah, and I shall be healed; save me, and I shall be saved: for thou art my praise.

Jeremiah 33:6

Behold, I will bring it health and cure, and I will cure them; and I will reveal unto them abundance of peace and truth.

Hosea 14:4

I will heal their backsliding, I will love them freely; for mine anger is turned away from him.

Malachi 4:2

But unto you that fear my name shall the sun of righteousness arise with healing in its wings; and ye shall go forth, and gambol as calves of the stall.

Mark 4:12

that seeing they may see, and not perceive; and hearing they may hear, and not understand; lest haply they should turn again, and it should be forgiven them.

Acts 3:19

Repent ye therefore, and turn again, that your sins may be blotted out, that so there may come seasons of refreshing from the presence of the Lord;

Acts 7:57

But they cried out with a loud voice, and stopped their ears, and rushed upon him with one accord;

2 Thessalonians 2:10-11

and with all deceit of unrighteousness for them that perish; because they received not the love of the truth, that they might be saved.

2 Timothy 2:25-26

in meekness correcting them that oppose themselves; if peradventure God may give them repentance unto the knowledge of the truth,

Hebrews 6:4-6

For as touching those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit,

Revelation 22:2

in the midst of the street thereof. And on this side of the river and on that was the tree of life, bearing twelve manner of fruits, yielding its fruit every 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.

Heart

Bible References

Heart

Psalm 119:70
Their heart is as fat as grease; But I delight in thy law.

Ears

Zechariah 7:11
But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they might not hear.
John 8:43
Why do ye not understand my speech? Even because ye cannot hear my word.
Acts 7:57
But they cried out with a loud voice, and stopped their ears, and rushed upon him with one accord;
2 Timothy 4:4
and will turn away their ears from the truth, and turn aside unto fables.
Hebrews 5:11
Of whom we have many things to say, and hard of interpretation, seeing ye are become dull of hearing.

And should be

Acts 3:19
Repent ye therefore, and turn again, that your sins may be blotted out, that so there may come seasons of refreshing from the presence of the Lord;
2 Timothy 2:25
in meekness correcting them that oppose themselves; if peradventure God may give them repentance unto the knowledge of the truth,
Hebrews 6:4
For as touching those who were once enlightened and tasted of the heavenly gift, and were made partakers of the Holy Spirit,

And i

Isaiah 57:18
I have seen his ways, and will heal him: I will lead him also, and restore comforts unto him and to his mourners.
Jeremiah 3:22
Return, ye backsliding children, I will heal your backslidings. Behold, we are come unto thee; for thou art Jehovah our God.
Jeremiah 17:14
Heal me, O Jehovah, and I shall be healed; save me, and I shall be saved: for thou art my praise.
Jeremiah 33:6
Behold, I will bring it health and cure, and I will cure them; and I will reveal unto them abundance of peace and truth.
Hosea 14:4
I will heal their backsliding, I will love them freely; for mine anger is turned away from him.
Malachi 4:2
But unto you that fear my name shall the sun of righteousness arise with healing in its wings; and ye shall go forth, and gambol as calves of the stall.
Mark 4:12
that seeing they may see, and not perceive; and hearing they may hear, and not understand; lest haply they should turn again, and it should be forgiven them.
Revelation 22:2
in the midst of the street thereof. And on this side of the river and on that was the tree of life, bearing twelve manner of fruits, yielding its fruit every month: and the leaves of the tree were for the healing of the nations.

General references

Leviticus 13:29
And when a man or woman hath a plague upon the head or upon the beard,
Deuteronomy 29:4
but Jehovah hath not given you a heart to know, and eyes to see, and ears to hear, unto this day.
Deuteronomy 32:28
For they are a nation void of counsel, And there is no understanding in them.
Proverbs 20:12
The hearing ear, and the seeing eye, Jehovah hath made even both of them.
Matthew 24:39
and they knew not until the flood came, and took them all away; so shall be the coming of the Son of man.

American Standard Version Public Domain