"Dubito ergo cogito, cogito ergo sum." - "I doubt therefore I am, I think therefore I am." Rene Descartes. Descartes. If something exists in the mind, it exists (in one form or another) because the mind is the tool to which we measure existence.
C. S. Lewis agrees with Freud that this is indeed the most important question. He writes: "Here is a door behind which, according to some people, the secret of the universe is waiting for you. Either that's true or it isn't. If it isn't, then what the door really conceals is simply the greatest fraud...on record." The Question of God . Why Freud & Lewis? | PBS