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 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.

Hebrews 5:11

Of whom we have many things to say and difficult to declare, seeing ye are hard of hearing.

Psalm 119:70

Their heart became fat like 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 should 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 thus they shall turn away their ears from the truth and shall return unto fables.

Isaiah 6:10

Make the heart of this people fat and make their ears heavy and blind their eyes that they not see with their eyes, nor hear with their ears, nor understand with their heart, nor convert and there be healing for him.

Isaiah 29:10-12

For the LORD has extended upon you the spirit of deep sleep and has closed your eyes: the prophets and your rulers, he has covered the seers with sleep.

Isaiah 44:20

The ashes feed him; his deceived heart inclines him, that he not deliver his soul and say, Is not the lie at 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 rebellious sons, and I will heal your rebellion. Behold, we come unto thee; for thou art the LORD our God.

Jeremiah 17:14

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

Jeremiah 33:6

behold, I will bring her healing and medicine, and I will cure them and will reveal unto them the abundance of peace and truth.

Hosea 14:4

I will heal their rebellion; I will love them freely; for my anger is turned away from them.

Malachi 4:2

But unto you that fear my name shall the Sun of righteousness be born, and in his wings he shall bring saving health; and ye shall go forth and jump like calves of the herd.

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.

Acts 3:19

Repent ye therefore and be converted that your sins may be blotted out, for the times of refreshing of the presence of the Lord are come;

Acts 7:57

And crying out with a loud voice, they stopped their ears and ran upon him with one accord;

2 Thessalonians 2:10-11

and with all deception of iniquity working in those that perish because they did not receive the charity of the truth, to be saved.

2 Timothy 2:25-26

that with meekness they might teach those that resist, if God peradventure will grant unto them that they might repent and know the truth,

Hebrews 6:4-6

For it is impossible that those who once received the light and tasted of that heavenly gift and were made partakers of the Holy Spirit

Revelation 22:2

In the midst of her plaza and on either side of the river was the tree of life, which brings forth twelve manner of fruits, yielding her fruit every month; and the leaves of the tree are for the healing of the Gentiles.

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 became fat like 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 should not hear.
John 8:43
Why do ye not understand my speech? even because ye cannot hear my word.
Acts 7:57
And crying out with a loud voice, they stopped their ears and ran upon him with one accord;
2 Timothy 4:4
and thus they shall turn away their ears from the truth and shall return unto fables.
Hebrews 5:11
Of whom we have many things to say and difficult to declare, seeing ye are hard of hearing.

And should be

Acts 3:19
Repent ye therefore and be converted that your sins may be blotted out, for the times of refreshing of the presence of the Lord are come;
2 Timothy 2:25
that with meekness they might teach those that resist, if God peradventure will grant unto them that they might repent and know the truth,
Hebrews 6:4
For it is impossible that those who once received the light and tasted of that 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 rebellious sons, and I will heal your rebellion. Behold, we come unto thee; for thou art the LORD our God.
Jeremiah 17:14
Heal me, O LORD, and I shall be healed; save me, and I shall be saved: for thou art my praise.
Jeremiah 33:6
behold, I will bring her healing and medicine, and I will cure them and will reveal unto them the abundance of peace and truth.
Hosea 14:4
I will heal their rebellion; I will love them freely; for my anger is turned away from them.
Malachi 4:2
But unto you that fear my name shall the Sun of righteousness be born, and in his wings he shall bring saving health; and ye shall go forth and jump like calves of the herd.
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.
Revelation 22:2
In the midst of her plaza and on either side of the river was the tree of life, which brings forth twelve manner of fruits, yielding her fruit every month; and the leaves of the tree are for the healing of the Gentiles.

General references

Leviticus 13:29
If a man or woman has a plague upon the head or the beard,
Deuteronomy 29:4
Yet the LORD has not given you a heart to perceive and eyes to see and ears to hear until today.
Deuteronomy 32:28
For they are a Gentile void of counsel, neither is there any intelligence in them.
Proverbs 20:12
The hearing ear and the seeing eye, the LORD has made both of them.
Matthew 24:39
and they knew not until the flood came and took them all away; so shall also the coming of the Son of man be.