Psalm 12:2


They speak deceitful and worthless words to one another;
With flattering lips and a double heart they speak.

Psalm 41:6


And when one comes to see me, he speaks empty words,
While his heart gathers malicious gossip [against me];
When he goes away, he tells it [everywhere].

Romans 16:18

For such people do not serve our Lord Christ, but their own appetites and base desires. By smooth and flattering speech they deceive the hearts of the unsuspecting [the innocent and the naive].

Psalm 10:7


His mouth is full of curses and deceit (fraud) and oppression;
Under his tongue is mischief and wickedness [injustice and sin].

Jeremiah 9:8


“Their tongue is a murderous arrow;
It speaks deceit;
With his mouth one speaks peace to his neighbor,
But in his heart he lays traps and waits in ambush for him.

1 Chronicles 12:33

of the tribe of Zebulun, there were 50,000 in military service who could draw up in battle formation with all kinds of weapons of war and helped David, men with an undivided heart.

Psalm 5:9


For there is nothing trustworthy or reliable or truthful in what they say;
Their heart is destruction [just a treacherous chasm, a yawning gulf of lies].
Their throat is an open grave;
They [glibly] flatter with their [silken] tongue.

Psalm 28:3


Do not drag me away with the wicked
And with those who do evil,
Who speak peace with their neighbors,
While malice and mischief are in their hearts.

Psalm 144:8


Whose mouths speak deceit [without restraint],
And whose right hand is a right hand of falsehood.

James 1:8

being a double-minded man, unstable and restless in all his ways [in everything he thinks, feels, or decides].

Psalm 36:3-4


The words of his mouth are wicked and deceitful;
He has ceased to be wise and to do good.

Psalm 38:12


Those who seek my life lay snares for me,
And those who seek to injure me threaten mischievous things and destruction;
They devise treachery all the day long.

Psalm 52:1-4

Why do you boast of evil, O mighty man?
The lovingkindness of God endures all day long.

Psalm 55:21


The words of his mouth were smoother than butter,
But his heart was hostile;
His words were softer than oil,
Yet they were drawn swords.

Psalm 59:12


For the sin of their mouths and the words of their lips,
Let them even be trapped in their pride,
And on account of the curses and lies which they tell.

Psalm 62:4


They consult only to throw him down from his high position [to dishonor him];
They delight in lies.
They bless with [the words of] their mouths,
But inwardly they curse. Selah.

Psalm 144:11


Set me free and rescue me from the hand of [hostile] foreigners,
Whose mouth speaks deceit [without restraint],
And whose right hand is a right hand of falsehood.

Proverbs 20:19


He who goes about as a gossip reveals secrets;
Therefore do not associate with a gossip [who talks freely or flatters].

Proverbs 29:5


A man who flatters his neighbor [with smooth words intending to do harm]
Is spreading a net for his own feet.

Jeremiah 9:2-6


Oh that I had in the wilderness
A lodging place (a mere shelter) for wayfaring men,
That I might leave my people
And go away from them!
For they are all adulterers [worshiping idols instead of the Lord],
[They are] an assembly of treacherous men [of weak character, men without integrity].

Ezekiel 12:24

For there will no longer be any false and empty vision or flattering divination within the house of Israel.

1 Thessalonians 2:5

For as you well know, we never came with words of flattery nor with a pretext for greed—God is our witness—

Treasury of Scripture Knowledge

Summary

They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak.

A double heart

Bible References

Flattering

Psalm 5:9

For there is nothing trustworthy or reliable or truthful in what they say;
Their heart is destruction [just a treacherous chasm, a yawning gulf of lies].
Their throat is an open grave;
They [glibly] flatter with their [silken] tongue.
Psalm 28:3

Do not drag me away with the wicked
And with those who do evil,
Who speak peace with their neighbors,
While malice and mischief are in their hearts.
Psalm 62:4

They consult only to throw him down from his high position [to dishonor him];
They delight in lies.
They bless with [the words of] their mouths,
But inwardly they curse. Selah.
Proverbs 20:19

He who goes about as a gossip reveals secrets;
Therefore do not associate with a gossip [who talks freely or flatters].
Proverbs 29:5

A man who flatters his neighbor [with smooth words intending to do harm]
Is spreading a net for his own feet.
Ezekiel 12:24
For there will no longer be any false and empty vision or flattering divination within the house of Israel.
Romans 16:18
For such people do not serve our Lord Christ, but their own appetites and base desires. By smooth and flattering speech they deceive the hearts of the unsuspecting [the innocent and the naive].
1 Thessalonians 2:5
For as you well know, we never came with words of flattery nor with a pretext for greed—God is our witness—

A double heart

1 Chronicles 12:33
of the tribe of Zebulun, there were 50,000 in military service who could draw up in battle formation with all kinds of weapons of war and helped David, men with an undivided heart.

General references

Genesis 29:19
Laban said, “It is better that I give her [in marriage] to you than give her to another man. Stay and work with me.”
Judges 16:6
So Delilah said to Samson, “Please tell me where your great strength lies and with what you may be bound and subdued.”
Habakkuk 1:3

Why do You make me see iniquity,
And cause me to look on wickedness?
For destruction and violence are before me;
Strife continues and contention arises.
Acts 12:22
The assembled people kept shouting, “It is the voice of a god and not of a man!”