Proverbs 16:23
A wise person's thoughts control his words, and his speech promotes instruction.
Proverbs 15:28
The mind of the righteous thinks before speaking, but the wicked person spews out evil.
Psalm 37:30-31
The mouth of the righteous one produces wisdom; his tongue speaks justice.
Psalm 45:1
My heart is overflowing with good news; I speak what I have composed to the king; my tongue is like the pen of an articulate scribe.
Proverbs 22:17-18
Pay attention and listen to the words of the wise, and apply your heart to my teaching,
Matthew 12:34-35
You children of serpents! How can you say anything good when you are evil? The mouth speaks about what overflows from the heart.
Colossians 3:16
Let the word of the Messiah inhabit you richly with wisdom, teaching and admonishing one another with psalms, hymns, and spiritual songs, and singing to God with thankfulness in your hearts.