Following are a number of back-translations as well as a sample translation for translators of Proverbs 13:11:

• Kupsabiny: “Wind sweeps the riches that is gotten without working hard,
  but what you have labored/worked for it increases/grows.” (Source: Kupsabiny Back Translation)
• Newari: “Wealth gathered quickly
  will be quickly spent.
  Wealth gathered by hard work
  will increase.” (Source: Newari Back Translation)
• Hiligaynon: “Wealth taken from a bad way just vanishes easily, but wealth that has-been-toiled-for increases more.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The wealth that was suddenly gained will easily be lost, but what one underwent-hardship-for to-earn-in-wages, it will-be-accumulated and become-much/many.” (Source: Kankanaey Back Translation)
• English: “Those who acquire a lot of money quickly by doing what is wrong, probably will lose it quickly,
  but if people earn money slowly, the amount of money they have will increase.” (Source: Translation for Translators)