Following are a number of back-translations as well as a sample translation for translators of Proverbs 26:12:

• Kupsabiny: “Even a foolish person has something to hope for
  rather than a person who pretends to be wise.” (Source: Kupsabiny Back Translation)
• Newari: “A fool is better than a person who thinks he is wise.” (Source: Newari Back Translation)
• Hiligaynon: “The end-result/future of a foolish man is better than a man who considers himself that he is wise.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Easier to be fulfilled is the expectation that the behavior of a foolish-person will-improve than the behavior of a person who is wise/intelligent in his own opinion.” (Source: Kankanaey Back Translation)
• English: “God can help/bless foolish people more easily
  than he can help/bless people who are not wise , but think that they are wise.” (Source: Translation for Translators)