ink of a million causes why I am seeing him on the mat. I could be (and sometimes wish) apart of the Matrix, a conspiracy of robots who designed a computer simulation to keep me under control to harvest my body heat. Sensational, but still an explanation. Or I could be dreaming right now. Since it could be anyone of these conclusions you cannot use your sense data to say that the best explanation for it is the existence of an external world. Therefore beliefs about the external world are not justified. Since they are not justified then you can conclude that there is no knowledge about the external world.Now for you reading this essay, you might ask "I don't believe this psycho-babble, I know the world really exists and you can't convince me otherwise." For one thing, I am not trying to sway anyone, I am just stating some of the philosophical questions that philosophers have about the external world. And I hope that in reading this, you dig a little below the surface and realize that, you should always question whatever society gives and presents to you as "normal" or "standard belief". Questioning these thing, can help you find what your beliefs are and not what everyone else believes. And this can define who you are as a human being. If you are really there....
