Proverbs 15:26

An abomination to Jehovah are thoughts of wickedness, And pure are sayings of pleasantness.

Psalm 19:14

Let the sayings of my mouth, And the meditation of my heart, Be for a pleasing thing before Thee, O Jehovah, my rock, and my redeemer!

Psalm 37:30-31

The mouth of the righteous uttereth wisdom, And his tongue speaketh judgment.

Psalm 45:1

To the Overseer. -- 'On the Lilies.' -- By sons of Korah. -- An Instruction. -- A song of loves. My heart hath indited a good thing, I am telling my works to a king, My tongue is the pen of a speedy writer.

Proverbs 6:16-19

These six hath Jehovah hated, Yea, seven are abominations to His soul.

Proverbs 15:23

Joy is to a man in the answer of his mouth, And a word in its season -- how good!

Proverbs 24:9

The thought of folly is sin, And an abomination to man is a scorner.

Jeremiah 4:14

Wash from evil thy heart, O Jerusalem, That thou mayest be saved, Till when dost thou lodge in thy heart Thoughts of thy strength?

Matthew 12:34-37

Brood of vipers! how are ye able to speak good things -- being evil? for out of the abundance of the heart doth the mouth speak.

Matthew 15:19

for out of the heart come forth evil thoughts, murders, adulteries, whoredoms, thefts, false witnessings, evil speakings:

Treasury of Scripture Knowledge

Summary

The thoughts of the wicked are an abomination to the LORD: but the words of the pure are pleasant words.

Bible References

Thoughts

Proverbs 6:16
These six hath Jehovah hated, Yea, seven are abominations to His soul.
Proverbs 24:9
The thought of folly is sin, And an abomination to man is a scorner.
Jeremiah 4:14
Wash from evil thy heart, O Jerusalem, That thou mayest be saved, Till when dost thou lodge in thy heart Thoughts of thy strength?
Matthew 15:19
for out of the heart come forth evil thoughts, murders, adulteries, whoredoms, thefts, false witnessings, evil speakings: