He also extended his pragmatic theory well beyond the scope of scientific verifiability, and even into the realm of the mystical: "On pragmatic principles, if the hypothesis of God works satisfactorily in the widest sense of the word, then it is 'true.' " "Truth, as any dictionary will tell you, is a property of certain of our ideas.
Ta laiendas oma pragmaatilist teooriat ka teadusliku tõestatavuse ulatust kaugemale ja isegi müstiline valdkond: "Pragmaatilised põhimõtted, kui Jumala hüpotees töötab rahuldaval viisil kõige laiemas sõnaosas, siis on see "tõsi".