Following are a number of back-translations as well as a sample translation for translators of Proverbs 26:6:

• Kupsabiny: “If/When you have sent a foolish person to go and tell news,
  it is like you have cut off your legs/feet and brought yourself calamity.” (Source: Kupsabiny Back Translation)
• Newari: “Sending a message by the hand of a fool
  is like cutting one’s own foot off with an axe,
  or asking for trouble.” (Source: Newari Back Translation)
• Hiligaynon: “If you (sing.) send your (sing.) message through a foolish-one, (it is) just like you (sing.) are-cutting your (sing.) feet; you (sing.) are- just -looking for pain.” (Source: Hiligaynon Back Translation)
• Kankanaey: “It’s as-if you (sing.) cut-off your (sing.) foot and as-if you (sing.) drank poison if you (sing.) send a foolish-person to make-known a report.” (Source: Kankanaey Back Translation)
• English: “Anyone who asks a foolish person to take a message to someone
  is himself doing something as foolish as cutting off his own feet
  or drinking poison.” (Source: Translation for Translators)