Job 20:12

Though wickedness may be sweet in his mouth, though he may hide it under his tongue;

Job 15:16

How much more abominable and filthy is man, who drinketh iniquity like water?

Psalm 10:7

His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.

Genesis 3:6

And when the woman saw that the tree was good for food, and that it was pleasant to the eyes, and a tree to be desired to make one wise; she took of its fruit, and ate, and gave also to her husband with her, and he ate.

Psalm 109:17-18

As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him.

Proverbs 9:17-18

Stolen waters are sweet, and bread eaten in secret is pleasant.

Proverbs 20:17

Bread of deceit is sweet to a man; but afterwards his mouth shall be filled with gravel.

Ecclesiastes 11:9

Rejoice, O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thy heart, and in the sight of thy eyes: but know thou, that for all these things God will bring thee into judgment.

Treasury of Scripture Knowledge

Summary

Though wickedness be sweet in his mouth, though he hide it under his tongue;

Bible References

Wickedness

Job 15:16
How much more abominable and filthy is man, who drinketh iniquity like water?
Genesis 3:6
And when the woman saw that the tree was good for food, and that it was pleasant to the eyes, and a tree to be desired to make one wise; she took of its fruit, and ate, and gave also to her husband with her, and he ate.
Proverbs 9:17
Stolen waters are sweet, and bread eaten in secret is pleasant.
Proverbs 20:17
Bread of deceit is sweet to a man; but afterwards his mouth shall be filled with gravel.
Ecclesiastes 11:9
Rejoice, O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thy heart, and in the sight of thy eyes: but know thou, that for all these things God will bring thee into judgment.

He hide

Psalm 10:7
His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.
Psalm 109:17
As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him.