Following are a number of back-translations as well as a sample translation for translators of Proverbs 29:20:

• Kupsabiny: “Even a foolish person has something to hope for/trust in,
  more than one who jumps into issues (makes too hasty decisions.)” (Source: Kupsabiny Back Translation)
• Newari: “There is more hope for fools
  than for those who tend to speak out wrecklessly.” (Source: Newari Back Translation)
• Hiligaynon: “Better is the end-result of a foolish man than a man who only speaks harshly/without-thinking.” (Source: Hiligaynon Back Translation)
• Kankanaey: “Better as a cause-for-hope/expectation is a person who is mindless than the one who is quick to speak who does not think-about-it first.” (Source: Kankanaey Back Translation)
• English: “God can help/bless foolish people more easily
  than he can help/bless people who speak without thinking first.” (Source: Translation for Translators)