The 20 Ways/Assumptions of the Magical World View – XIV
Power exists in the interfaces of things. These are the between places that are not entirely one thing or another. (See IX. Law of Association.) Traditionally, these places include caves, grottoes, towers, mountains, beaches, wells, crossroads, and cliffs.
All the chief times of change of the day are considered to be powerful. These are dawn, noon, twilight (sunset), and midnight. Likewise, the solstices and equinoxes, the pivots of the year, have always been thought very important. There is a medieval legend that if a woman wished to become a witch she need only remove her clothes and stand between the high- and low-tide marks at the seashore.