Cross reference
Psalms 12:2
2 They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak.
Romans 16:18
18 For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.
Psalms 41:6
6 And if he come to see me, he speaketh vanity: his heart gathereth iniquity to itself; when he goeth abroad, he telleth it.
Jeremiah 9:8
8 Their tongue is as an arrow shot out; it speaketh deceit: one speaketh peaceably to his neighbour with his mouth, but in heart he layeth his wait.
Psalms 10:7
7 His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.
Psalms 5:9
9 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.
Psalms 28:3
3 Draw me not away with the wicked, and with the workers of iniquity, which speak peace to their neighbours, but mischief is in their hearts.
Psalms 144:8
8 Whose mouth speaketh vanity, and their right hand is a right hand of falsehood.
James 1:8
8 A double minded man is unstable in all his ways.
1 Chronicles 12:33
33 Of Zebulun, such as went forth to battle, expert in war, with all instruments of war, fifty thousand, which could keep rank: they were not of double heart.
1 Thessalonians 2:5
5 For neither at any time used we flattering words, as ye know, nor a cloke of covetousness; God is witness:
Ezekiel 12:24
24 For there shall be no more any vain vision nor flattering divination within the house of Israel.
Jeremiah 9:2-6
2 Oh that I had in the wilderness a lodging place of wayfaring men; that I might leave my people, and go from them! for they be all adulterers, an assembly of treacherous men.
3 And they bend their tongues like their bow for lies: but they are not valiant for the truth upon the earth; for they proceed from evil to evil, and they know not me, saith the LORD.
4 Take ye heed every one of his neighbour, and trust ye not in any brother: for every brother will utterly supplant, and every neighbour will walk with slanders.
5 And they will deceive every one his neighbour, and will not speak the truth: they have taught their tongue to speak lies, and weary themselves to commit iniquity.
6 Thine habitation is in the midst of deceit; through deceit they refuse to know me, saith the LORD.
Psalms 38:12
12 They also that seek after my life lay snares for me: and they that seek my hurt speak mischievous things, and imagine deceits all the day long.
Psalms 52:1-4
1 Why boastest thou thyself in mischief, O mighty man? the goodness of God endureth continually.
2 The tongue deviseth mischiefs; like a sharp razor, working deceitfully.
3 Thou lovest evil more than good; and lying rather than to speak righteousness. Selah.
4 Thou lovest all devouring words, O thou deceitful tongue.
Psalms 55:21
21 The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.
Psalms 59:12
12 For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak.
Psalms 62:4
4 They only consult to cast him down from his excellency: they delight in lies: they bless with their mouth, but they curse inwardly. Selah.
Psalms 144:11
11 Rid me, and deliver me from the hand of strange children, whose mouth speaketh vanity, and their right hand is a right hand of falsehood:
Proverbs 20:19
19 He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flattereth with his lips.
Proverbs 29:5
5 A man that flattereth his neighbour spreadeth a net for his feet.
Psalms 36:3-4
3 The words of his mouth are iniquity and deceit: he hath left off to be wise, and to do good.
4 He deviseth mischief upon his bed; he setteth himself in a way that is not good; he abhorreth not evil.