John Gills Exposition of the Bible Commentary - Proverbs 13:11
Wealth gotten by vanity shall be diminished ,.... In an unjust or unlawful way, either by robbery and theft, as Aben Ezra; or by fraud and tricking, by overreaching and circumventing others; or by vain practices, as by cards or dice, and by stage playing and the like; or by curious and illicit arts, as necromancy, judiciary astrology, and such like things; whatever is gotten in a wicked way very seldom lasts long; it lessens by little and little till it comes to nothing F6 "De malo... read more
Matthew Henry's Complete Commentary - Proverbs 13:11
This shows that riches wear as they are won and woven. 1. That which is won ill will never wear well, for a curse attends it which will waste it, and the same corrupt dispositions which incline men to the sinful ways of getting well incline them to the like sinful ways of spending: Wealth gotten by vanity will be bestowed upon vanity, and then it will be diminished. That which is got by such employments as are not lawful, or not becoming Christians, such as only serve to feed pride and luxury,... read more