More than this, it is well-known from our own experience...

More than this, it is well-known from our own experience of our senses that we cannot speak of a reference without a referent or a reference. In any reference there must be two or more elements, as in any dream there must be another world from which to wake up. Nevertheless, does it depend so much where you wake up or how you do it? You cannot make the reference of one element to itself, even if it is emphasized by a possible opposite or another different element.