"I had a really weird moment when I was doing ADR, and I was watching a sex scene that I was in. I had this really detached moment where I realized I was looking at my own behind in third person."

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If a psychological Maxwell devises a general theory of mind, he may make it possible for a psychological Einstein to follow with a theory that the mental and the physical are really the same. But this could happen only at the end of a process which began with the recognition that the mental is something completely different from the physical world as we have come to know it through a certain highly successful form of detached objective understanding. Only if the uniqueness of the mental is recognized will concepts and theories be devised especially for the purpose of understanding it.

— Thomas Nagel