v. 21. _Woe unto them that are wise in their own eyes, and prudent in their own sight._ Self-conceit. +I. Its signs:+ dogmatism; contempt of others; scepticism. +II. Its causes:+ ignorance,[1] vanity. +III. Its folly:+ it makes a man ridiculous; leads him into error. +IV. Its offensiveness to God;+ in spirit--principle--action. +V.+ Its certain humiliation.--_J. Lyth, D.D._