This may be meant either, 1. Of a wicked heart showing itself in burning lips, furious, passionate, outrageous words, burning in malice, and persecuting those to whom, or of whom, they are spoken; ill words and ill-will agree as well together as a potsherd and the dross of silver, which, now that the pot is broken and the dross separated from the silver, are fit to be thrown together to the dunghill. 2. Or of a wicked heart disguising itself with burning lips, burning with the professions of love and friendship, and even persecuting a man with flatteries; this is like a potsherd covered with the scum or dross of silver, with which one that is weak may be imposed upon, as if it were of some value, but a wise man is soon aware of the cheat. This sense agrees with the following verses.

He that hateth dissembleth with his lips,.... He that bears a grudge in his mind, and retains hatred in his heart against any person, hides it all he can, till he has an opportunity of showing it as he would; he pretends a great deal of friendship with his lips, that his hatred might not be known; he would be thought to be a friend, when he is really an enemy; he does not choose as yet to make himself known what he is. Some render it to a sense the reverse, "the enemy", or "he that hateth, is known by his lips" (l); so the Targum, Vulgate Latin, and Syriac versions: if you carefully watch him, mark his words, and observe what he says, you will find out the hatred that lies in his heart; he cannot forbear saying something, at one time or another, which betrays the malignity of his mind;

and layeth up deceit within him; or, "though (m) he layeth up", &c. hides it as much as he can, yet it will show itself in some way or another.

(l) "agnoscetur", Montanus, Vatablus; "cognoscetur", Tigurine version; "cognoscitur", Amama, so Luther. (m) "quamvis", Luther. apud Gejerus, Baynus.

Warm professions can no more give value to insincerity than silver coating to rude earthenware.