Following are a number of back-translations as well as a sample translation for translators of Proverbs 12:21:

• Kupsabiny: “A righteous person does not suffer,
  but trouble falls fully on the one who sins.” (Source: Kupsabiny Back Translation)
• Newari: “Trouble will never happen to the righteous,
  but more and more trouble
  will happen to the wicked.” (Source: Newari Back Translation)
• Hiligaynon: “Nothing bad will-happen to the righteous, but to the wicked, very many bad (thing) will happen.” (Source: Hiligaynon Back Translation)
• Kankanaey: “No evil will happen to the righteous/just, but the sinful, many are the evil happenings in their lives.” (Source: Kankanaey Back Translation)
• English: “Bad things usually do not happen to righteous people,
  but wicked people always have troubles.” (Source: Translation for Translators)