Proverbs 16:21

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…

The words point to the conditions of all true growth in wisdom; and he who has the gift of uttering it in winning speech increases it in himself and others.

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…

"He who is wise will gain respect; but if he should also possess a pleasant manner of imparting his wisdom, he will be a more efficient teacher," Rel. Tr. Soc. Commentary.