Here's an article-quote from Lobsang Rampa that explains the nature of the overself,which is the one god-monad every religion is talking about.
Man is nine-tenths subconscious and one-tenth conscious.
You have probably read quite a lot about it because the whole
science of psychology is devoted to the various facets and idiosyncrasies
of Man's subconscious. Remembering that Man is
so little ‘conscious’ does it not occur to you what a shocking
waste of time it is for a powerful, powerful Overself, gifted
with all manner of abilities and talents, pulsing with the power
of a more vibrant world and of a different way of life, who
comes to this world laden with troubles and obstacles, and then
to function at, at most, one-tenth of its ability? Supposing you
had a motor-car, oh, let us say an eight-cylinder car because
there do not seem to be any ten-cylinder cars to make the
allusion more exact—let us say we have an eight-cylinder car,
then, just for the purpose of this illustration.
We have this eight-cylinder car, but we find that it is working
on one cylinder alone, seven cylinders are not in any way
contributing towards the function of the car, they are in fact
holding it back even more because of the inertia. The performance
is deplorable. But think of it in terms of human existence;
mankind is like a ten cylinder car only one cylinder of
which works, the other nine are ‘subconscious’. Wasteful, isn't
it?
The Overself of a human—or any other creature either, for
that matter—does not waste energy; the Overself of a human
has a number of tasks which must be accomplished. Supposing
we have an evolved Overself who is anxious to progress to
other planes of existence, one who is anxious to go up and up
and up to different dimensions. In that case the Overself might
devote one-tenth of its ability to dealing with the body on
Earth, and the rest of its abilities might go to dealing with
bodies on other planets, or other planes of existence. Or it
might even be without puppet bodies on other planes of existence
and be moving in what one might term, pure spirit, instead.
But if the Overself is not that far evolved or has a
different scheme of operations, it might do things in a different
way.
Supposing our Overself is more or less of a beginner, then
you can say that it is the same as a student in secondary school.
The student has to attend a number of classes instead of having
to learn just one subject, often this means that the student
has to walk to different classes or to different centers, and that
really does waste a lot of time and energy.
The Overself is in a far more satisfactory position. It is the
puppet master. Upon this world which we call Earth there is a
puppet which is the Earth body, and which functions with one
tenth of the Overself's attention. Upon a parallel world in
another dimension the Overself could have another puppet, or
perhaps two or three, or more puppets, and it would then be
able to manipulate these between various tasks. To go back to
our student, one might say that this is like a student who can
remain aloof in his private room and send his deputies to the
different classrooms so that he can gain all the experience required
through these different sources and 'connect them up'
later.
Let us assume that the Overself is having to rush things
somewhat in order to catch up with the cycle of evolution.
Supposing the Overself has been a bit slow or a bit lazy, and
has had various setbacks, and this Overself does not want to be
left in the same class or state after the others have passed on,
so he has to take, in effect, a cramming course the same as a
child or older student takes extra lessons in order that he may
keep up with others who are more advanced, and so remain in
close touch with them.
The Overself may have a person living one life in Australia
and may have yet another person doing something else in
Africa. Perhaps there will be another one in South America or
Canada, or England; there may be more than three, there may
be five or six or seven. These people might never meet on
Earth and they would still be very much in affinity with each
other, they may have telepathic rapport without in any way
understanding why, but then occasionally they would meet in
the astral just as travelling salesmen sometimes meet in the
sales manager's office.
The poor wretched Overself with seven or eight or nine
puppets would really have to get a move on to manipulate
them all at once and avoid ‘crossing the wires’. This is one
explanation of some curious dreams because frequently when
two compatible puppets are asleep their Silver Cords might
touch, and would produce an effect similar to those crossed
telephone lines wherein you hear pieces of others' conversations
but, sadly, sadly, and to one's immense regret, we miss
all the most interesting bits.
But what is the purpose of all this, you might ask. Well,
that’s easy to answer: By having a number of puppets the
Overself can have vast experience and can live ten lives in just
one lifetime. The Overself can experience riches and poverty
at the same time, and so weigh them in the balance of experience.
One puppet in one country could be a beggar making
a miserable living, hardly existing, in fact, while in some other
country the next puppet could be a prince gaining experience
of how to handle men and how to shape a nation's policy. The
beggar would be gaining experience of misery and suffering so
that when his lifetime of experience was blended to that of the
prince-puppet the Overself would know of the seamier side of
life, and would know that there are at least two sides to every
question.
In the normal course of events people would perhaps come
as a prince and then wait for another life to come as a beggar,
or the other way about, but when they are rushed for time
when any given cycle of evolution is nearing its end as is
the present case, then heroic methods have to be adopted
in order that those who are slower may yet keep up with the rest.
https://www.lobsangrampa.org/overself.html