But you can't know something you've never personally experienced. You're collapsing that which you can experience with that which you can't and assuming that be

But you can't know something you've never personally experienced. You're collapsing that which you can experience with that which you can't and assuming that because there are things unknown that are possible to experience they are the same as things that are unknown that you can't experience. That's a very different type of knowing. It is certainly more accurate to say that one may believe in something to be true, but one can't know.