Following are a number of back-translations as well as a sample translation for translators of Isaiah 57:18:

• Kupsabiny: “I know their ways,
  but I will heal/treat them.
  I shall lead them by the hand and send them peace,
  and I shall comfort those who are crying.” (Source: Kupsabiny Back Translation)
• Newari: “I have seen their behavior,
  nevertheless I will heal them.
  I will lead them,
  and again [I] will give consolation to those who mourn.” (Source: Newari Back Translation)
• Hiligaynon: “I have-seen their ways, but I will-heal them. I will-guide them, and I will-comfort the ones- among them -who-are-mourning.” (Source: Hiligaynon Back Translation)