The power of diet in altering one's mental capacities and worldview is evidenced by the effect of taking a psychedelic - eating peyote or datura seeds can effect a massive change in consciousness in very little time. They are nothing less than what the Temple of the True Inner Light called them: they are powerful angels of the Host. They do in an hour what takes weeks, months, or years through diet. However, the changes induced by diet are not as reversible.