Matthew Henry on 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 eye, and not by his conscience. 2. What it is that keeps a wise man from being a fool; he is willing to be advised, desires to have counsel given him, and hearkens to counsel, being diffident of his own…
Read the whole note in the consoleJamieson-Fausset-Brown on Proverbs 12:15
The way . . . eyes--The fool is self-conceited (compare Pro 12:1; Pro 1:32; Pro 10:17; Jam 3:17).
John Gill on Proverbs 12:15
The way of a fool is right in his own eyes,.... Whether it be the way of open profaneness, or self-righteousness, it appears to him to be the right way; it seems to him a very plain one, and he finds it pleasant; and, trusting to carnal sense, corrupt reason, and a false judgment, and having a high opinion of himself and his own knowledge, never asks after the right way, nor takes the advice of others;
but he that hearkeneth unto counsel is wise; that asks advice and takes it of such who are men of age and experience, men of longer standing, and are wiser than himself; who consults the word of God about the right way of walk, worship, and salvation, and makes the testimonies of God the men…
Read the whole note in the consoleKeil & Delitzsch on Proverbs 12:15
15 The way of the fool is right in his own eyes,
But the wise listeneth to counsel.
Other proverbs, like Pro 16:2, say that generally the judgment of a man regarding his character does not go beyond a narrow subjectivity; but there are objective criteria according to which a man can prove whether the way in which he walks is right; but the fool knows not other standard than his own opinion, and however clearly and truly one may warn him that the way which he has chosen is the wrong way and leads to a false end, yet he obstinately persists;
(Note: Vid., kindred proverbs by Carl Schulze, Die bibl. Sprichwrter der deutschen Sprache (1860), p. 50, and M. C. Wahl's Das Sprichwort in der heb.-aram…