It isn't that a warrior learns shamanism as time goes by; rather, what he learns as time goes by is to save energy. This energy will enable him to handle some of the energy fields which are ordinarily inaccessible to him. Shamanism is a state of awareness, the ability to use energy fields that are not employed in perceiving the everyday-life world that we know.
Carlos CastanedaMy worrying, for instance, was a scene in which I looked at myself while I had the sensation of being boxed in. I call that worrying, It has happened to me a number of times after that first time.
Carlos CastanedaNothing can temper the spirit of a warrior as much as the challenge of dealing with impossible people in positions of power. Only under those conditions can warriors acquire the sobriety and serenity to withstand the pressure of the unknowable.
Carlos Castaneda