Following are a number of back-translations as well as a sample translation for translators of Ecclesiastes 7:9:

• Kupsabiny: “Do not let anger harass you,
  since anger has ruled over stupid people.” (Source: Kupsabiny Back Translation)
• Newari: “Don’t let your heart become suddenly angry,
  for anger resides in the breast of fools.” (Source: Newari Back Translation)
• Hiligaynon: “[You (sing.)] do not be quick to-get-angry, for anger is the usual (thing) a foolish man does.” (Source: Hiligaynon Back Translation)