The fact that a theory may eventually test wrong does not detract from its original merit as a worthy try. On the other hand, if an idea is poorly formulated, often because the terms used are not clearly defined, then how can we even test it?...We cannot determine that gibberish is anything but gibberish.

Physics and Psychics: The Search for a World Beyond the Senses, Chapter 3 (p. 58), Prometheus Books. 1990