Colossians 2:4 Now this I say that no one may delude you with persuasiveness of speech. (WEB ASV)
Proverbs 16:21 The wise-hearted will be named men of good sense: and by pleasing words learning is increased. (See NAS RSV)
Proverbs 16:23 The heart of the wise man is the teacher of his mouth, and gives increased learning to his lips. (See NAS RSV)