New Defender's Study Bible Notes
26:2 the curse causeless. A curse uttered without justification will not be fulfilled, like birds flitting about without landing.
26:4 Answer not a fool. Proverbs 26:4,5, appears superficially to be in direct contradiction, but obviously the writer did not think of these as conflicting instructions, for he placed them back-to-back.
26:5 Answer a fool. When a person is given to foolish skeptical arguments related to God and His Word, it is a waste of time to argue with him. If, however, he is influencing others and becoming self-important in his delusion, it may be necessary to show up his folly by solid evidence.
26:11 to his vomit. See II Peter 2:22, where the same colorful metaphor is applied to false teachers returning to the pagan teaching from which they had made a profession of being saved.
26:12 his own conceit. In Proverbs 26:3-11, each verse contains a picturesque epithet against fools and their follies, yet the conclusion reached is that an arrogant man “wise in his own conceit” is even worse!
26:23 potsherd. A “potsherd” is a fragment of pottery.