Psalm 12:2

Everyone says false words to his neighbour: their tongues are smooth in their talk, and their hearts are full of deceit.

Psalm 41:6

If one comes to see me, deceit is in his heart; he keeps a store of evil, which he makes public in every place.

Isaiah 44:20

As for him whose food is the dust of a dead fire, he has been turned from the way by a twisted mind, so that he is unable to keep himself safe by saying, What I have here in my hand is false.

Genesis 14:22

But Abram said to the king of Sodom, I have taken an oath to the Lord, the Most High God, maker of heaven and earth,

Deuteronomy 32:40

For lifting up my hand to heaven I say, By my unending life,

Psalm 10:7

His mouth is full of cursing and deceit and false words: under his tongue are evil purposes and dark thoughts.

Psalm 58:3

The evil-doers are strange from the first; from the hour of their birth they go out of the true way, saying false words.

Psalm 62:4

Their only thought is to put him down from his place of honour; their delight is in deceit: blessing is in their mouths but cursing in their hearts. (Selah.)

Psalm 106:26

So he made an oath against them, to put an end to them in the waste land:

Psalm 109:2-3

For the mouth of the sinner is open against me in deceit: his tongue has said false things against me.

Isaiah 59:5-7

They give birth to snake's eggs, and make spider's threads: whoever takes their eggs for food comes to his death, and the egg which is crushed becomes a poison-snake.

Matthew 5:30

And if your right hand is a cause of trouble to you, let it be cut off and put it away from you; because it is better to undergo the loss of one part, than for all your body to go into hell.

Revelation 13:16-17

And he gives to all, small and great, the poor and those who have wealth, the free and those who are not free, a mark on their right hand or on their brows;

Treasury of Scripture Knowledge

Summary

Whose mouth speaketh vanity, and their right hand is a right hand of falsehood.

Bible References

Mouth

Psalm 10:7
His mouth is full of cursing and deceit and false words: under his tongue are evil purposes and dark thoughts.
Psalm 12:2
Everyone says false words to his neighbour: their tongues are smooth in their talk, and their hearts are full of deceit.
Psalm 41:6
If one comes to see me, deceit is in his heart; he keeps a store of evil, which he makes public in every place.
Psalm 58:3
The evil-doers are strange from the first; from the hour of their birth they go out of the true way, saying false words.
Psalm 62:4
Their only thought is to put him down from his place of honour; their delight is in deceit: blessing is in their mouths but cursing in their hearts. (Selah.)
Psalm 109:2
For the mouth of the sinner is open against me in deceit: his tongue has said false things against me.
Isaiah 59:5
They give birth to snake's eggs, and make spider's threads: whoever takes their eggs for food comes to his death, and the egg which is crushed becomes a poison-snake.

Their right hand

Isaiah 44:20
As for him whose food is the dust of a dead fire, he has been turned from the way by a twisted mind, so that he is unable to keep himself safe by saying, What I have here in my hand is false.
Matthew 5:30
And if your right hand is a cause of trouble to you, let it be cut off and put it away from you; because it is better to undergo the loss of one part, than for all your body to go into hell.
Revelation 13:16
And he gives to all, small and great, the poor and those who have wealth, the free and those who are not free, a mark on their right hand or on their brows;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain