Following are a number of back-translations as well as a sample translation for translators of Proverbs 18:15:

• Kupsabiny: “A thoughtful person finds wisdom,
  and the one who listens gets experience/knowledge.” (Source: Kupsabiny Back Translation)
• Newari: “Wise people are always desiring
  to acquire knowledge,
  and are searching for it.” (Source: Newari Back Translation)
• Hiligaynon: “A wise man and has understanding tries very hard that his wisdom will-increase more.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The wise-person, he is prepared-to and desires to learn.” (Source: Kankanaey Back Translation)
• English: “Intelligent people are always wanting to learn more;
  wise people are not content with what they already know.” (Source: Translation for Translators)