Maybe each human being lives in a unique world. If reality differs from person to person, can we speak of reality singular, or shouldn't we really be talking about plural realities? And if there are plural realities, are some more true (more real) than others? What about the world of a schizophrenic? Maybe it's as real as our world. The problem is that if subjective worlds are experienced too differently, there occurs a breakdown in communication and there is the real illness. Philip K Dick American writer