[I]f there were a drug that caused one to hallucinate one’s doctor calling to say that one was not susceptible to the effects of the drug, presumably doctors would find some other way to inform their patients of their immunity than by calling them on the telephone!

William Talbott, ‘The Illusion of Defeat’, in James Beilby (ed.), Naturalism Defeated?: Essays on Plantinga’s Evolutionary Argument Against Naturalism, Ithaca, 2002, p. 163