John Gill's Bible Commentary Ver. 9. A false witness shall not be unpunished , etc.] (See Gill on “ Proverbs 19:5”); and [he that] speaketh lies shall perish ; or “be lost”, shall be undone for ever; he shall not enter into the holy city, but have his part in the lake of fire: they that speak lies in hypocrisy, doctrinal ones, and are given up to believe and profess them, such shall be damned, ( 2 Thessalonians 2:11,12).
Matthew Henry Commentary
Verses 9 - Lying is a damning, destroying sin.
Original Hebrew עד5707 שׁקרים8267 לא3808 ינקה5352 ויפיח6315 כזבים3577 יאבד׃6