“Seth material” search engine (Jane Roberts)

Now I have said that a plane is not necessarily a location. It is not necessarily a planet, though it may be. The universe as you think of it contains innumerable planes, all taking up in your terms the same amount of space. The forms within these planes are in constant motion, as are the planes themselves. There is a continual exchange of energy and vitality, in other words, of actual atoms and molecules between one plane and another.

Your universe is only one of many such universes. You are aware only of perceptions along the horizontal planes, and the more powerful your scientific instruments become the more you will be able to see. One universe does become another. However, the universes containing an almost infinite number of planes are therefore affected by the exchange of energies involved, and the interaction and continual movement even of one plane through another results in effects which will be perceived in various ways, again according to your own situation in them.