(I was having experiences in which a square or rectangular image would show up.

Ellenberger notes that “The quaternity can appear as a geometric figure of square or sometimes rectangular shape, or it will have some relation with the number four: four persons, four trees, and so on. Often it is a matter of completing a triadic figure with a fourth term, thus making it into a quaternity”

“From the circle and quaternity motif is derived the symbol of the geometrically              formed crystal and the wonder-working stone. From here analogy formation leads on to the city, castle, church, house, and vessel. “