15 The way of a fool is right in his own eyes; But he that is wise hearkeneth unto counsel.

Matthew Henry's Commentary on Proverbs 12:15

Commentary on Proverbs 12:15

(Read Proverbs 12:15)

A fool, in the sense of Scripture, means a wicked man, one who acts contrary to the wisdom that is from above. His rule is, to do what is right in his own eyes.