• I believe that the first step in the setting of a real external world is the formation of the concept of bodily objects and of bodily objects of various kinds.

    Albert Einstein: I believe that the first step in the setting of a real external world is the formation of the concept of bodily objects and of bodily objects of various kinds.
    Albert Einstein, Stephen W. Hawking (2007). “A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein”, p.402, Running Press