John Gills Exposition of the Bible Commentary - Proverbs 14:5
A faithful witness will not lie ,.... For that would be contrary to his character as faithful; and as he will not witness to a falsehood upon oath in a court of judicature, so neither will he tell a lie in common conversation. This may be applied to Gospel ministers, who are witnesses of Christ; the Gospel they preach is a testimony concerning him, and they bear a faithful witness to the truth; nor will they, knowingly and willingly, deliver out a falsehood, or a doctrinal lie, since "no lie... read more
Matthew Henry's Complete Commentary - Proverbs 14:5
In the administration of justice much depends upon the witnesses, and therefore it is necessary to the common good that witnesses be principled as they ought to be; for, 1. A witness that is conscientious will not dare to give in a testimony that is in the least untrue, nor, for good-will or ill-will, represent a thing otherwise than according to the best of his knowledge, whoever is pleased or displeased, and then judgment runs down like a river. 2. But a witness that will be bribed, and... read more