Adam Clarke's Commentary on the Bible - Proverbs 4:24
A froward mouth - Beware of hastiness, anger, and rash speeches. And perverse lips - Do not delight in nor acquire the habit of contradicting and gainsaying; and beware of calumniating and backbiting your neighbor. read more
Adam Clarke's Commentary on the Bible - Proverbs 4:23
Keep thy heart with all diligence - " Above all keeping," guard thy heart. He who knows any thing of himself, knows how apt his affections are to go astray. For out of it are the issues of life - חיים תוצאות totseoth chaiyim , "the goings out of lives." Is not this a plain allusion to the arteries which carry the blood from the heart through the whole body, and to the utmost extremities? As long as the heart is capable of receiving and propelling the blood, so long life is continued.... read more