To physicist, like Stephen Hawking and many others, finding the "theory of everything" would be equivalent to knowing the "mind of God". The metaphor is not accidental. But are we really getting any closer? Do we dare ask whether the search is fundamentally misguided? Could belief in a physical theory that unifies the secrets of the material world - a "hidden code" of nature - be the scientific equivalent of the religious belief in oneness held by the billions who go to churches, mosques and synagogues every day?