Treasury of Scripture Knowledge
Summary
The lips of the righteous know what is acceptable: but the mouth of the wicked speaketh frowardness.
General references
Bible References
Know
Ecclesiastes 12:10
The Preacher sought to find out acceptable words, and that which was written blamelessly, words of truth.
Daniel 4:27
Therefore, O king, let my counsel be acceptable to you, and break off your sins by righteousness, and your iniquities by showing mercy to the poor; if there may be a lengthening of your tranquility.
Titus 2:8
and soundness of speech that can't be condemned; that he who opposes you may be ashamed, having no evil thing to say about us.
General references
Matthew 15:18
But the things which proceed out of the mouth come out of the heart, and they defile the man.