Zechariah 7:12

And their heart they set a diamond from hearing the instruction and the words which Jehovah of armies sent by his spirit by the hand of the former prophets: and there will be great wrath from Jehovah of armies.

Nehemiah 9:29-30

And thou wilt testify against them to turn them back to thy law: and they acted proudly and heard not to thy commands, and in thy judgments they sinned in them; (which a man shall do and he lived in them) and they will give a shoulder turning aside, and they hardened their neck and heard not

2 Chronicles 36:16

For they will be mocking upon the messengers of God, and despising his words, and scoffing at his prophets, even to the bringing up the wrath of Jehovah against his people, even to no healing.

Ezekiel 11:19

And I gave to them one heart, and a new spirit I will give in the midst of you; and I turned away the heart of stone from their flesh, and I gave to them a heart of flesh:

Isaiah 6:10

Make the heart of this people fat and their ears heavy, and blind their eyes, lest they shall see with their eyes and hear with their ears, and their heart shall understand and turn back and be healed to them.

Ezekiel 2:4

And the sons hard of face and strong of heart. I send thee to them; and say to them, Thus said the Lord Jehovah.

Ezekiel 3:7-9

And the house of Israel will not hear to thee; for they are not willing to hear to me: for all the house of Israel are strong of forehead, and they are hard of heart.

Ezekiel 36:26

And I gave to you a new heart, and a new spirit will I give in the midst of you: and I turned away your heart of stone from your flesh, and I gave to you an heart of flesh.

Daniel 9:11-12

And all Israel passed by thy Laws, and departing not to hear to thy voice; and the curse will be poured upon us, and the oath which was written in the law of Moses the servant of God, for we sinned against him.

Job 9:4

Wise of heart and strong of power: who was hard before him and shall be requited?

Psalm 50:17

And thou hatedst instruction, and thou wilt cast my words behind thee.

Isaiah 48:4

From my knowledge that thou wert hard, and thy neck an iron sinew, and thy forehead of brass:

Jeremiah 5:3

O Jehovah, are not thine eyes upon faithfulness? thou didst smite them, and they were not pained; thou didst consume them, they refused to take instruction: they made their faces firm above the rock; they refused to turn back.

Jeremiah 17:1

The sin of Judah was written with a style of iron, with the nail of diamond: being graved upon the table of their heart, and to the horns of your altars.

Jeremiah 26:19

Putting to death, did Hezekiah king of Judah put him to death, and all Judah? Did he not fear Jehovah, and wait for the face of Jehovah, and Jehovah will lament for the evil which he spake against them? And we are doing great evil against our souls.

Zechariah 7:7

Is it not the words which Jehovah called by the hand of the former prophets in Jerusalem being inhabited and in security, and its cities round about her, and inhabiting the south and the low country?

Matthew 13:15

For the heart of this people has been thickened, and with their ears have they heard heavily, and their eyes have they closed; lest perhaps they should see with the eyes, and hear with the ears, and understand with the heart, and turn back, and I should heal them.

Mark 4:12

That seeing they might see, and not know; and hearing they might hear, and not understand; lest they turn back, and their sins be remitted to them.

Luke 8:12

And they by the way are they hearing; then comes the devil, and takes away the word from their heart, lest having believed, they should be saved.

John 3:19-20

And this is the judgment, that light has come into the world, and men rather loved darkness than light, for their works were evil.

Acts 7:51-52

Ye stiffnecked and uncircumcised in heart and ears, ye always resist the Holy Spirit: as your fathers, also you.

Acts 28:27

For the heart of this people was thickened, and with ears heard they heavily, and their eyes they closed; lest they should see with the eyes, and with ears should hear, and with the heart they should understand, and turn back, and I should heal them.

1 Thessalonians 2:15-16

They also having slain the Lord Jesus, and their own prophets, and having driven you out; and not pleasing God, and opposite to all men;

2 Thessalonians 2:10-12

And in all deceit of iniquity in the lost; because they received not the love of the truth, for them to be saved.

1 Peter 1:11-12

Searching for whom or what time the Spirit of Christ which in them manifested, testifying beforehand the sufferings to Christ, and the glories after these.

2 Peter 1:21

For prophecy was not once brought by the will of man: but holy men of God spake, being moved by the Holy Spirit.

Treasury of Scripture Knowledge

Summary

Yea, they made their hearts as an adamant stone, lest they should hear the law, and the words which the LORD of hosts hath sent in his spirit by the former prophets: therefore came a great wrath from the LORD of hosts.

The former

Bible References

Their hearts

Nehemiah 9:29
And thou wilt testify against them to turn them back to thy law: and they acted proudly and heard not to thy commands, and in thy judgments they sinned in them; (which a man shall do and he lived in them) and they will give a shoulder turning aside, and they hardened their neck and heard not
Job 9:4
Wise of heart and strong of power: who was hard before him and shall be requited?
Isaiah 48:4
From my knowledge that thou wert hard, and thy neck an iron sinew, and thy forehead of brass:
Jeremiah 5:3
O Jehovah, are not thine eyes upon faithfulness? thou didst smite them, and they were not pained; thou didst consume them, they refused to take instruction: they made their faces firm above the rock; they refused to turn back.
Ezekiel 2:4
And the sons hard of face and strong of heart. I send thee to them; and say to them, Thus said the Lord Jehovah.
Ezekiel 3:7
And the house of Israel will not hear to thee; for they are not willing to hear to me: for all the house of Israel are strong of forehead, and they are hard of heart.
Ezekiel 11:19
And I gave to them one heart, and a new spirit I will give in the midst of you; and I turned away the heart of stone from their flesh, and I gave to them a heart of flesh:
Ezekiel 36:26
And I gave to you a new heart, and a new spirit will I give in the midst of you: and I turned away your heart of stone from your flesh, and I gave to you an heart of flesh.

Lest

Psalm 50:17
And thou hatedst instruction, and thou wilt cast my words behind thee.
Nehemiah 9:29
And thou wilt testify against them to turn them back to thy law: and they acted proudly and heard not to thy commands, and in thy judgments they sinned in them; (which a man shall do and he lived in them) and they will give a shoulder turning aside, and they hardened their neck and heard not
Isaiah 6:10
Make the heart of this people fat and their ears heavy, and blind their eyes, lest they shall see with their eyes and hear with their ears, and their heart shall understand and turn back and be healed to them.
Matthew 13:15
For the heart of this people has been thickened, and with their ears have they heard heavily, and their eyes have they closed; lest perhaps they should see with the eyes, and hear with the ears, and understand with the heart, and turn back, and I should heal them.
Mark 4:12
That seeing they might see, and not know; and hearing they might hear, and not understand; lest they turn back, and their sins be remitted to them.
Luke 8:12
And they by the way are they hearing; then comes the devil, and takes away the word from their heart, lest having believed, they should be saved.
John 3:19
And this is the judgment, that light has come into the world, and men rather loved darkness than light, for their works were evil.
Acts 28:27
For the heart of this people was thickened, and with ears heard they heavily, and their eyes they closed; lest they should see with the eyes, and with ears should hear, and with the heart they should understand, and turn back, and I should heal them.
2 Thessalonians 2:10
And in all deceit of iniquity in the lost; because they received not the love of the truth, for them to be saved.

The former

Zechariah 7:7
Is it not the words which Jehovah called by the hand of the former prophets in Jerusalem being inhabited and in security, and its cities round about her, and inhabiting the south and the low country?

Therefore

2 Chronicles 36:16
For they will be mocking upon the messengers of God, and despising his words, and scoffing at his prophets, even to the bringing up the wrath of Jehovah against his people, even to no healing.
Jeremiah 26:19
Putting to death, did Hezekiah king of Judah put him to death, and all Judah? Did he not fear Jehovah, and wait for the face of Jehovah, and Jehovah will lament for the evil which he spake against them? And we are doing great evil against our souls.
Daniel 9:11
And all Israel passed by thy Laws, and departing not to hear to thy voice; and the curse will be poured upon us, and the oath which was written in the law of Moses the servant of God, for we sinned against him.
1 Thessalonians 2:15
They also having slain the Lord Jesus, and their own prophets, and having driven you out; and not pleasing God, and opposite to all men;

General references

Exodus 7:13
And Pharaoh's heart. will be strengthened, and he will not hear to them; as Jehovah said.
Jeremiah 29:19
For that they heard not to my word, says Jehovah, which I sent to them with my servants the prophets, rising early and sending; and ye heard not, says Jehovah.
Matthew 13:5
And others fell upon rocky places where it had not much earth, and quickly it sprang forth, for it had no depth of earth.