Following are a number of back-translations as well as a sample translation for translators of Proverbs 14:8:

• Kupsabiny: “Wisdom makes a person to understand/realize,
  but the foolish person is deceived by his foolishness.” (Source: Kupsabiny Back Translation)
• Newari: “People who have wisdom
  understand quite well
  where they are going.
  But fools are deceiving themselves.” (Source: Newari Back Translation)
• Hiligaynon: “The wisdom of a man who knows to weigh what is right or wrong is the one who gives him knowledge what he is going to do, but the foolishness of a fool man leads- him -astray.” (Source: Hiligaynon Back Translation)
• Kankanaey: “The wise, they think-about the correct/right-things that they will do, but the mindless, they deceive their companions.” (Source: Kankanaey Back Translation)
• English: “Those who have good sense are wise, so they know what they should do and what they should not do;
  foolish people do not know what is right to do, but because they think that they do, they are deceiving themselves.” (Source: Translation for Translators)