Proverbs 15:26

The Lord detests the plans of an evil man,
but pleasant words are pure.

Psalm 19:14

May the words of my mouth
and the meditation of my heart
be acceptable to You,
Lord, my rock and my Redeemer.

Psalm 37:30-31

The mouth of the righteous utters wisdom;
his tongue speaks what is just.

Psalm 45:1

For the choir director: according to “The Lilies.” A Maskil of the sons of Korah. A love song.My heart is moved by a noble theme
as I recite my verses to the king;
my tongue is the pen of a skillful writer.

Proverbs 6:16-19

The Lord hates six things;
in fact, seven are detestable to Him:

Proverbs 15:23

A man takes joy in giving an answer;
and a timely word—how good that is!

Proverbs 24:9

A foolish scheme is sin,
and a mocker is detestable to people.

Jeremiah 4:14

Wash the evil from your heart, Jerusalem,
so that you will be delivered.
How long will you harbor
malicious thoughts within you?

Matthew 12:34-37

Brood of vipers! How can you speak good things when you are evil? For the mouth speaks from the overflow of the heart.

Matthew 15:19

For from the heart come evil thoughts, murders, adulteries, sexual immoralities, thefts, false testimonies, blasphemies.

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
The Lord hates six things;
in fact, seven are detestable to Him:
Proverbs 24:9
A foolish scheme is sin,
and a mocker is detestable to people.
Jeremiah 4:14
Wash the evil from your heart, Jerusalem,
so that you will be delivered.
How long will you harbor
malicious thoughts within you?
Matthew 15:19
For from the heart come evil thoughts, murders, adulteries, sexual immoralities, thefts, false testimonies, blasphemies.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.