Dear Bumming philosopher-wannabe, Yes, the lesson does continue once more! The good news is lessons are the very stuff that makes life compelling; the bad news is no matter how many lessons you put yourself through there will always be new questions... You have asked the central question in philosophy in your previous mail: To what extent should one question life? How many philosophers have spent whole lifetimes trying to figure out the answer only to find out that it's a dead end? Since I am not a professional philosopher, I will have to refer you to two great thinkers who asked the same question: John Locke (1632-1704) and David Hume (1711-76). It would of course be silly to think that I could succinctly sum up the vast philosophies of these two men here. I will attempt to give you only what is relevant to the question posed above. Locke states that the only things humans are capable of perceiving are the contents of their minds. This means there are limits...