How do we know that we’re not part of some huge simulation within a computer? Perhaps we’re all just like Sims, our

Question: How do we know that we're not part of some huge simulation within a computer? Perhaps we're all just like Sims, our daily lives being controlled?
- Keywords:
  computer,
  simulation
Asked by Mistiare to Hummy, Lewis, James, Sandra on 7 Mar 2017.
- Lewis Wright answered on 7 Mar 2017:
  
  That’s an excellent question.
  
  René Descartes is famous for the phrase ‘I think, therefore I am’ – it means the only thing we can be 100% sure of in the whole universe, is that we, ourselves, exist.
  
  Everything else? Who knows.
- Sandra Greive answered on 16 Mar 2017:
  
  Its also a concept explored in the Matrix movies and the hitch hikers guide to the galaxy.