Psalm 5:9

For there is no faithfulness in their mouth; their inward part is wickedness; their throat is an open grave; they flatter with their tongue.

Romans 3:13

"Their throat is an open grave, with their tongues they have used deceit, the poison of asps is under their lips;

Psalm 62:4

Surely they have plotted to cast him down from his great height; they delight in lies; they bless with their mouth, but they curse in their heart. Selah.

Psalm 52:2

Your tongue devises evil, like a sharp razor, working deceitfully.

Luke 11:44

Woe to you, scribes and Pharisees, hypocrites! For you are like unseen tombs and the men walking above are not aware of them.

Job 32:21-22

I will not now lift up the face of a man, nor eulogize any man,

Psalm 12:2-3

They speak vanity each one with his neighbor; with flattering lips and a double heart they speak.

Psalm 36:1-4

To the Chief Musician. A Psalm of David, the servant of Jehovah. The oracle utters transgression to the wicked within my heart. There is no fear of God before his eyes.

Psalm 51:6

Behold, You desire truth in the inward parts; and in the hidden part You shall make me to know wisdom.

Psalm 58:2-3

Yes, in heart you work the evil, you weigh the violence of your hands in the land.

Psalm 62:9

Surely the sons of men are vanity; the sons of men are a lie; they go up in the scales; they are altogether lighter than vanity.

Psalm 64:6

They search out injustice, saying, We have finished hiding a hidden plot. Yea, the inward part of man and the heart are deep.

Psalm 111:1-3

Praise Jehovah! I will praise Jehovah with all my heart, in the council of the upright, and of the congregation.

Proverbs 29:5

A man who flatters his neighbor spreads a net for his feet.

Jeremiah 4:14

O Jerusalem, cleanse your heart from evil so that you may be saved. How long shall your vain thoughts lodge within you?

Jeremiah 9:3-6

And they bend their tongues like their bow for lies. But they are not mighty for the truth on the earth; for they go from evil to evil, and they do not know Me, says Jehovah.

Jeremiah 17:9

The heart is deceitful above all things, and desperately wicked; who can know it?

Micah 6:12

For its rich men are full of violence, and its people have spoken lies, and their tongue is deceitful in their mouth.

Mark 7:21-22

For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,

Luke 11:39

And the Lord said to him, Now you Pharisees make the outside of the cup and the platter clean, but your inward part is full of plunder and wickedness.

Romans 1:29-31

being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; being full of envy, murder, quarrels, deceit, evil habits, becoming whisperers,

1 Thessalonians 2:5

For neither at any time did we use flattering words, as you know, nor with pretense of covetousness; God is witness.

Treasury of Scripture Knowledge

Summary

For there is no faithfulness in their mouth; their inward part is very wickedness; their throat is an open sepulchre; they flatter with their tongue.

General references

Bible References

Inward

Psalm 51:6
Behold, You desire truth in the inward parts; and in the hidden part You shall make me to know wisdom.
Psalm 58:2
Yes, in heart you work the evil, you weigh the violence of your hands in the land.
Psalm 62:4
Surely they have plotted to cast him down from his great height; they delight in lies; they bless with their mouth, but they curse in their heart. Selah.
Jeremiah 4:14
O Jerusalem, cleanse your heart from evil so that you may be saved. How long shall your vain thoughts lodge within you?
Jeremiah 17:9
The heart is deceitful above all things, and desperately wicked; who can know it?
Mark 7:21
For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders,
Luke 11:39
And the Lord said to him, Now you Pharisees make the outside of the cup and the platter clean, but your inward part is full of plunder and wickedness.

Throat

Luke 11:44
Woe to you, scribes and Pharisees, hypocrites! For you are like unseen tombs and the men walking above are not aware of them.
Romans 3:13
"Their throat is an open grave, with their tongues they have used deceit, the poison of asps is under their lips;

They

Psalm 12:2
They speak vanity each one with his neighbor; with flattering lips and a double heart they speak.
Job 32:21
I will not now lift up the face of a man, nor eulogize any man,
Proverbs 29:5
A man who flatters his neighbor spreads a net for his feet.
1 Thessalonians 2:5
For neither at any time did we use flattering words, as you know, nor with pretense of covetousness; God is witness.

General references

Jeremiah 5:16
Their quiver is as an open grave; they are all mighty men.