I think you can argue the opposite as well ... the world is in fact defined in our minds as perceived by our senses. So the two people in the opening part of t

I think you can argue the opposite as well ... the world is in fact defined in our minds as perceived by our senses. So the two people in the opening part of the article may both believe they know where MOMA is, but do they really share the same perception of the location? More simply, we agree on what defines the color red, but we have no real way of knowing that our mental model of red is the same. EDIT: I just noticed there was another link on the front-page that describes this duality better than I can - https://news.ycombinator.com/item?id=22374366 https://news.ycombinator.com/item?id=22374366