Like cutting off one’s own feet or drinking violence is the sending of a message by the hand of a fool.
To recommend wisdom to us, and to quicken us to the diligent use of all the means for the getting of wisdom, Solomon here shows that fools are fit for nothing; they are either sottish men, who will never think and design at all, or vicious men, who will never think and design well. 1.
Commenting on Proverbs 26:6-9
He that sendeth a message by the hand of a fool,.... Who knows not how to deliver it in a proper manner, and is incapable of taking the answer, and reporting it as he should; or unfaithful in it, and brings a bad or false report, as the spies did upon the good land; cutteth off the feet; he may as well cut off his...
A fool fails by folly as surely as if he were maimed. drinketh damage--that is, gets it abundantly (Job 15:16; Job 34:7).