[1] The Intermediate Zone (היכלי התמורות) (נוגה) with the insights of Paul Brunton and Sri Aurobindo,
[2] The basic primate nature of all human beings,
[3] The need to enter the Intermediate Zone,
[4] Formation of cults around people that have only entered into the Intermediate Zone.
[5] The pseudo religions of psycho analysis, and psychiatry, and psychology which partake of all the worst characteristics of the Intermediate Zone.
[6] Perhaps after all the above I might offer some suggestions about how the deal with the problem of the Intermediate Zone.
There is a ridiculously short amount of time today so let me just make my first major point as fast as I can.
People have to go into the Intermediate Zone. This is like university. There simply is no choice. You can't look at the writings of Aurobindo and Brunton and say well the Intermediate Zone is so dangerous, so why bother with the spiritual side of things at all? The reason is that we are all primates and the evil in our basic character comes out (from potential to action), and we fall into all the different types of viciousness that is associated with our animal nature whether we like it or not.
But to jump up to the Divine realms is not possible without preparation.
So we are stuck with the need to enter a very dangerous area of spirituality, an area in which people think because they have visions or powers that means they are enlightened. They simply do not realize that the Dark Side [Sitra Achara] is playing with them.
The solution I really don't know, but I have found a set of basic principles that has helped me as I wade my way through this swamp of cults.
I have seen a lot of manifestations of the Intermediate Zone. Most often this is with people of some established religion. This is more than people in Eastern cults. A lot of time a person accepts an established religion, and assumes that since it is the right religion, therefore all the intuitions he or she has come from the side of Holiness and Light. At least people in Eastern cults seem to be aware of the possibility that their visions might not all be from the Side of Light.
Of course, it is not smart to be involved in a religion that was founded on someone who was heavily in the Intermediate Zone or the Dark Side (סיטרא אחרא) like Islam. But even religions founded on enlightened individuals do not provide protection from the Intermediate Zone.
One confusing issue is the difference between the Intermediate Zone and simple mental illness. Some people look at any spiritual manifestation as mental illness. Sometimes this is correct. Sometimes they are confusing manifestations of the Intermediate Zone with insanity.
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If you want to understand about cults and the Intermediate Zone I recommend learning about Scientology which gives a good template or measuring stick to understand whether your group is a cult or not. Adi Da also is a good example --or in fact even a better example because of lots of powers and miracles phenomena that appeared there. If you want to understand this subject these two examples are important to learn about.
stripping the gurus
This is a good reference book for Eastern spirituality. But the same could be written about spiritual leaders in other traditional chains.