15. How Are the Eternal Forces of the Human Soul Investigated?

There is another objection, which is just as foolish as it is self-evident and plausible; plausible for anyone who stands on the ground of a materialistic interpretation of psychiatric phenomena, self-evident. It is only through constantly experiencing anew that one actually knows that one is in touch with the spiritual world; because there is nothing to prove. It is not possible to prove that anything is a reality. Those people who believe that one can prove that something is a reality – I have often pointed this out here – do not understand anything about the concept of reality. You cannot prove that a whale is a reality if you cannot show its existence in the external world. Reality can only be experienced, not proven. But in the direct experience of reality, what we need to show something as reality arises vividly. And so, in the direct experience of the spiritual world, what the spiritual world is must always be experienced anew; otherwise, of course, one can indulge in all sorts of fantasies.