Following are a number of back-translations as well as a sample translation for translators of Proverbs 20:15:

• Kupsabiny: “A word of wisdom has value,
  more than wealth.” (Source: Kupsabiny Back Translation)
• Newari: “Even though there are
  many kinds of precious things
  such as gold and ornaments,
  there is no ornament as valuable as
  a word full of wisdom.” (Source: Newari Back Translation)
• Hiligaynon: “Gold and precious stones are many, but only few people is-speaking with wisdom.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The words of a wise-person are more-valuable than gold and collectively-expensive jewelry (lit. decorations of the body).” (Source: Kankanaey Back Translation)
• English: “Gold and precious stones are valuable,
  but wise words are more valuable.” (Source: Translation for Translators)