“And, lo, thou art unto them as a very lovely song of one that hath a pleasant voice, and can play well on an instrument: for they hear thy words, but they do them not.”
King James Version (KJV)
Matthew Henry's Concise Commentary
33:30-33 Unworthy and corrupt motives often lead men to the places where the word of God is faithfully preached. Many come to find somewhat to oppose: far more come of curiosity or mere habit. Men may have their hearts changed. But whether men hear or forbear, they will know by the event that a servant of God has been among them. All who will not know the worth of mercies by the improvement of them, will justly be made to know their worth by the want of them.
“And he that burneth her shall wash his clothes in water, and bathe his flesh in water, and shall be unclean until the even.”