"My two topics are really one topic; they unite at this point. The two basic topics which fascinate me are “What is reality?” and “What constitutes the authentic human being?”"

"Reality is that which, when you stop believing in it, doesn't go away."

"He described feeling as though he had been transported to a “gray world” that differed from our own, where the sky was gray, the buildings were gray, and even the people were gray."

"I seem to be living in my own novels more and more. I can't figure out why. Am I losing touch with reality? Or is reality actually sliding toward a Phil Dickian type of atmosphere? And if the latter, …"

"I'm a strange person. Sometimes I hardly know what I'm going to do or say next. Sometimes I seem a stranger to myself. Sometimes what I do surprises me and I can't understand why I do it."