Following are a number of back-translations as well as a sample translation for translators of Proverbs 28:11:

• Kupsabiny: “Rich people take themselves to be wise,
  but a poor and understanding person knows that it is no so.” (Source: Kupsabiny Back Translation)
• Newari: “Rich people think they are wise.
  But poor people who have insight
  can see right through them. [Lit.: recognize them]” (Source: Newari Back Translation)
• Hiligaynon: “The wealthy ones think that they are already very wise, but a poor man who has understanding knows what kind of people they really are.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The rich think-incorrectly that they are wise, but the poor-person who is skilled in distinguishing the behavior of people, he knows the truth of it.” (Source: Kankanaey Back Translation)
• English: “Many rich people think that they are wise,
  but poor people who have good sense will find out whether rich people really are wise or not.” (Source: Translation for Translators)