The psychotic does not merely think he sees four blue bivalves with floppy wings wandering up the wall; he does see them. An hallucination is not, strictly speaking, manufactured in the brain; it is received by the brain, like any 'real' sense datum, and the patient act in response to this to-him-very-real perception of reality in as logical a way as we do to our sense data. In any way to suppose he only 'thinks he sees it' is to misunderstand totally the experience of psychosis.
Philip K. DickPerhaps if you know you are insane then you are not insane. Or you are becoming sane, finally.
Philip K. DickThe Empire is the institution, the codification, of derangement; it is insane and imposes its insanity on us by violence, since its nature is a violent one.
Philip K. DickI am a reader. I am a writer. People assume I do these things to escape. You couldn't be more right. I'm escaping a world I don't like. A world I have no control in. In this world, I am nothing. I am a color, a height, a weight, a number. But in the world of books and writing, I am amazing. I am powerful. I am different. People are better. Worlds are endless. Change is possible. Life is manageable.
Philip K. DickThe inanity of her remark infuriated him. 'Good grief don't you understand Janet? At this point I'm thoroughly delusional. I'm as mentally ill as it's possible to be. It's incredible that I can communicate with you at all. It's a credit to my ego-strength that I'm not at this point totally autistic.
Philip K. Dick