The lips of the righteous know what is acceptable, but the mouth of the wicked, what is perverse.
Here, as before, men are judged of, and, accordingly, are justified or condemned, by their words, Mat 12:37. 1. It is both the proof and the praise of a man's wisdom and goodness that he speaks wisely and well. A good man, in his discourse, brings forth wisdom for the benefit of others.
Commenting on Proverbs 10:31-32
The lips of the righteous know what is acceptable,.... To God and man; what is well pleasing to, God, and what ministers grace to the hearers, or what is grateful: and such things they will deliver out; they are used and accustomed to them; not only the righteous know in their judgment what is acceptable, but they use themselves to say those things; they not...
know--regard and provide for (Psa 1:6). frowardness--all kinds of deceit and ill-nature. The word is plural. Next: Proverbs Chapter 11