The internal dialogue is what grounds people in the daily world. The world is such and such or so and so, only because we talk to ourselves about its being such and such and so and so. The passageway into the world of shamans opens up after the warrior has learned to shut off his internal dialogue
The Wheel Of Time: The Shamans Of Mexico Their Thoughts About Life De (ed. Simon and Schuster, 2009) - ISBN: 9781439186732