A recent popular science article discusses La Grange points. These are empty areas in space where various forces balance out, leaving a physical spot with no or little gravity. Such a point must be vacant of physical bodies, but precisely located among certain trajectories. (Just read the article, okay.) . If you think of words as bodies in space, from dust to rocks to spinning suns, the goal of the teachers of mystical technique, throughout the millenia, could perhaps be described, as getting the students to see LA GRANGE POINTS. Then comes the hard part. But--- to get the student to see these vacant spots, that is first task of a teacher.
Finally we have a just metaphor, that just barely points at what Jan Cox wanted his students to see---