The pre-Socratic Greek philosopher Parmenides taught that the only things that are real are things which never change... and the pre-Socratic Greek philosopher Heraclitus taught that everything changes. If you superimpose their two views, you get this result: Nothing is real.

Also some protagonists in Dick's short fiction are named 'Dowland'. Dick" and one as "Thomas" a Christian persecuted by Romans in the 1st century AD. The short story "Orpheus with Clay Feet" was publiPhilip K. Dickd under the pen name "Jack Dowland".

"
In addition to 44 publiPhilip K. Dickd novels Dick wrote approximately 121 short stories most of which appeared in science fiction magazines during his lifetime. In his later works Dick's thematic focus strongly reflected his personal interest in metaphysics and theology. Flow My Tears the Policeman Said a novel about a celebrity who awakens in a parallel universe where he is unknown won the John W.