Following are a number of back-translations as well as a sample translation for translators of Ecclesiastes 1:11:

• Kupsabiny: “There is no person who thinks/remembers
  what happened long ago,
  and there is no person who shall think/remember
  what is going to happen in the coming days.” (Source: Kupsabiny Back Translation)
• Newari: “There is not even any remembrance of people in former times,
  Nor will the current generation
  be remembered by the following generation.” (Source: Newari Back Translation)
• Hiligaynon: “People do- not -remember what had-passed; also the future, this will- not also -be-remembered by people later-on.” (Source: Hiligaynon Back Translation)
• English: “People do not remember the things that happened long ago,
  and in the future, people will not remember what we are doing now.” (Source: Translation for Translators)