• What if the 'world' we are living in now is all a dream?
• What if our dreams was the 'real world' and the 'real world' is actually all a dream?
  
• How do you know that red is red?
  
• If your mother taught you that the colour 'red' is blue, so can red be blue?
• If your mother taught you/told your brain since young that you can fly, can your really fly?
• What about phasing through walls then?
• How do you know if someone was controlling us? Like a person playing a big world of Sims?
• How do you know if there is someone controlling the person controlling us? Who is the ultimate controller?
• What if our bodies may just be vessels and the brain controls the vessels? Who controls these brains? Is it ourselves?
• Dejavu? Why is it that we know we have never experience something but we just find that experience so familiar?
• It is because we have lived our whole life, and just 'looking back' now?

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