Solomon
Proverbs 16:21KJV·traditional attribution

The wise in heart shall be called prudent: and the sweetness of the lips increaseth learning.

Matthew Henry Presbyterian

Note, 1. Those that have solid wisdom will have the credit of it; it will gain them reputation, and they shall be called prudent grave men, and a deference will be paid to their judgment. Do that which is wise and good and thou shalt have the praise of the same. 2.

John Gill Reformed Baptist

The wise in heart shall be called prudent,.... He that has true wisdom in the inward part; who knows his heart and the haughtiness of it; who has the fear of God in it, which is the beginning of wisdom; who is wise unto salvation, not only knows the scheme of it, but is experimentally acquainted with it; who has not head knowledge and wisdom...

Jamieson-Fausset-Brown Reformed

wise in heart--who rightly consider duty. sweetness of the lips--eloquent discourse, persuades and instructs others.