"What was on the other side?" Donna said, "He said there was another world on the other side. He could see it." "He... never went through it?" "That’… - Philip K. Dick

I'm tired and I want to rest; I want to get out of this and go lie down somewhere, off where it's dark and no one speaks. Forever.

but as he plodded along a vague and almost hallucinatory pall hazed over his mind; he found himself at one point, with no notion of how it could be, a step from an almost certain fatal cliffside fall — falling humiliatingly and helplessly, he thought; on and on, with no one even to witness it. Here there existed no one to record his or anyone else's degradation, and any courage or pride which might manifest itself here at the end would go unmarked: the dead stones, the dust-stricken weeds dry and dying, perceived nothing, recollected nothing, about him or themselves.

He thought, too, about his need for a real animal; within him an actual hatred once more manifested itself toward his electric sheep, which he had to tend, had to care about, as if it lived. The tyranny of an object, he thought. It doesn’t know I exist. Like the androids, it had no ability to appreciate the existence of another.