Romans 3:13

their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips:

Luke 11:44

wo unto you: for you resemble subterraneous monuments, which men walk over, without perceiving them.

Mark 7:21-22

for from within, from the heart of man proceed wicked designs, adulteries, fornications, murders; thefts,

Luke 11:39

upon which the Lord said to him, you Pharisees won't leave any filth upon the outside of a cup or a platter: while your consciences are abandon'd to rapine, and sensuality.

Romans 1:29-31

they were full of all injustice, fornication, mischief, covetousness, malice; full of envy, murder, contention, fraud, malignity;

1 Thessalonians 2:5

our address to you was without any flattery, as you yourselves can witness, and God is witness that we had no avarice to disguise.

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.

Bible References

Inward

Mark 7:21
for from within, from the heart of man proceed wicked designs, adulteries, fornications, murders; thefts,
Luke 11:39
upon which the Lord said to him, you Pharisees won't leave any filth upon the outside of a cup or a platter: while your consciences are abandon'd to rapine, and sensuality.

Throat

Luke 11:44
wo unto you: for you resemble subterraneous monuments, which men walk over, without perceiving them.
Romans 3:13
their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips:

They

1 Thessalonians 2:5
our address to you was without any flattery, as you yourselves can witness, and God is witness that we had no avarice to disguise.