23 The heart of the wise teaches his mouth, and adds learning to his lips.
Proverbs 16:23 Cross References - KJ2000
Psalms 37:30-31
Psalms 45:1
1 [To the Chief Musician upon shoshannim, for the Sons of Korah, a maschil, a song of loves.] My heart is overflowing with a good matter: I speak of the things which I have made concerning the king: my tongue is the pen of a ready scribe.
Proverbs 15:28
28 The heart of the righteous studies to answer: but the mouth of the wicked pours out evil things.
Proverbs 22:17-18
Matthew 12:34-35
Colossians 3:16
16 Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.