In particular, as I've mentioned previously, i think there are mysteries and puzzles about the nature of consciousness, The qualitative aspect of experience, what it's like to smell coffee or taste pineapple or see red.

如我之前所言,我认为特别是那些,对于意识本质的研究,还存在许多奥秘和难题,拿定性的体验来说,闻咖啡,吃菠萝,看到红色,具体是什么感觉

耶鲁公开课 - 死亡课程节选