Answer not a fool. — Comp. Proverbs 1:22.
According to his folly. — Do not lower yourself by disputing or arguing with him; he will not take in your meaning, and will think he has got the better of you, perhaps will insult you. It is noticeable that our Lord never answered a question which should not have been asked Him, but always put it by (e.g., Matthew 21:23, sqq.; Luke 13:23-24; Luke 23:9; John 21:21-22; Acts 1:6, sqq.).