A.20 He that handleth a matter (dabar – word) wisely shall find good: and whoso trusteth in the LORD, happy is he.
B.21 The wise in heart shall be called prudent: and the sweetness of the lips increaseth learning.
C.22 Understanding is a wellspring of life unto him that hath it: but the instruction of fools is folly.
B’.23 The heart of the wise teacheth his mouth, and addeth learning to his lips.
A’.24 Pleasant words (emer – speech) are as an honeycomb, sweet to the soul, and health to the bones.
Please consider an alternative from NASB95:
20 He who gives attention to the word will find good,
……And blessed is he who trusts in the LORD.
…………21 The wise in heart will be called understanding,
………………And sweetness of speech increases persuasiveness.
……………………22 Understanding is a fountain of life to one who has it,
……………………But the discipline of fools is folly.
…………23 The heart of the wise instructs his mouth
………………And adds persuasiveness to his lips.
24 Pleasant words are a honeycomb,
……Sweet to the soul and healing to the bones.