Following are a number of back-translations as well as a sample translation for translators of Job 15:3:

• Kupsabiny: “A wise person does not speak senseless words,
  or words that do not help/save people!” (Source: Kupsabiny Back Translation)
• Newari: “Would he argue with such useless talk
  or with words that have no value?” (Source: Newari Back Translation)
• Hiligaynon: “He does- not -argue with worthless/[lit. of no worth] words.” (Source: Hiligaynon Back Translation)