Well, it's true that we can't really tell how serious he was being. And it is worth remembering he was a neuroscientist who studied neurons. He was probably thi

Well, it's true that we can't really tell how serious he was being. And it is worth remembering he was a neuroscientist who studied neurons. He was probably thinking of people who made complex theories about "how the brain works" without ever designing experiments to test them, not physics theorists.