More quotes by Philip K. Dick, VALIS

"Pious people spoke to God, and crazy people imagined that God spoke back."
"It is sometimes an appropriate response to reality to go insane."
"The mentally disturbed do not employ the Principle of Scientific Parsimony: the most simple theory to explain a given set of facts. They shoot for the baroque."
"They ought to make it a binding clause that if you find God you get to keep Him."
"Everybody knows that Aristotelian two-value logic is fucked."