Matthew Henry's Complete Commentary - Proverbs 12:16
Note, 1. Passion is folly: A fool is known by his anger (so some read it); not but that a wise man may be angry when there is just cause for it, but then he has his anger under check and direction, is lord of his anger, whereas a fool's anger lords it over him. He that, when he is provoked, breaks out into indecent expressions, in words or behaviour, whose passion alters his countenance, makes him outrageous, and leads him to forget himself, Nabal certainly is his name and folly is with him. A... read more
Matthew Henry's Complete Commentary - Proverbs 12:15
See here, 1. What it is that keeps a fool from being wise: His way is right in his own eyes; he thinks he is in the right in every thing he does, and therefore asks no advice, because he does not apprehend he needs it; he is confident he knows the way, and cannot miss it, and therefore never enquires the way. The rule he goes by is to do that which is right in his own eyes, to walk in the way of his heart. Quicquid libet, licet?He makes his will his law. He is a fool that is governed by his... read more