来自《耶鲁大学开放课程—哲学：死亡 第18集 第18集》

• 
  
  You're awake during it.
  你一直保持清醒
• 
  
  After the operation,
  手术后
• 
  
  you're given this thing that makes you forget
  你吃了药 然后你忘了
• 
  
  whether you've had the operation,
  自己曾经做过手术
• 
  
  anything about the operation at all.
  有关手术的一切都忘了
• 
  
  And that the preceding 24 hours will be completely wiped out.
  24小时之内的记忆都被抹去
• 
  
  So you're in the hospital
  所以你在医院里
• 
  
  and you wake up and you ask yourself,
  你醒来后问自己
• 
  
  "Huh, have I had the operation yet or not?"
  "我做过手术了吗"
• 
  
  Don't know, right? Because of course,
  你不可能知道 对吧 因为
• 
  
  if I haven't had it, no wonder I don't remember it,
  如果我还没做 我当然没印象
• 
  
  but if I have had it,
  但如果我做了