Following are a number of back-translations as well as a sample translation for translators of Proverbs 28:16:

• Kupsabiny: “An arrogant king is not wise,
  but the one who hates corruption will live to a ripe old age.” (Source: Kupsabiny Back Translation)
• Newari: “A ruler that lacks discernment
  is foolish and hard-hearted.
  Anyone who does not become rich by harming others,
  he will have a long life.” (Source: Newari Back Translation)
• Hiligaynon: “A ruler who has no understanding is very cruel.
  A ruler who does not want to become-rich through a bad way his life will-be-prolonged/long.” (Source: Hiligaynon Back Translation)
• Kankanaey: “One who is not wise to rule has no mercy/kindness, but the life of one who refuses to cheat so that he can become-rich will-become-long.” (Source: Kankanaey Back Translation)
• English: “Rulers who do not have good sense cruelly oppress the people they rule,
  but rulers who do not want to become rich by cheating/deceiving people will live (OR, rule) for a long time.” (Source: Translation for Translators)