The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment. The mouth of the righteous speaketh wisdom - Foolish and corrupt conversation cannot come out of their mouth. They are taught of God, and they speak according to the wisdom that is from above.
Related Commentaries of Psalms 37:30
Psalms 37:30
30 The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.