"We have said before that the separation was and IS dissociation, and also that once it had occurred, projection became its main defense, or the device which KEEPS IT GOING."
Believing in separation from God produces a split in the mind. The mind becomes confused because it's trying to believe in both light and dark, or true and false, without distinguishing between them. The will becomes divided and the mind seems to form two areas. Being in fear (uncertainty), you are now "in two minds".
One area seems to become associated with "who and what I am", and the other area seems to be projected as "who I am not", seen as outside yourself in others. You can refer to these as the persona and the shadow. The persona is the accepted parts of mind and the shadow is the denied repressed parts.
In this dynamic, there's always two parts to what you experience. For example if you are in fear, where you believe that you are under attack by another, you are in fact also attacking them. But the part of you that is attacking them is dissociated and projected - kind of disowned. You don't want to believe it's still part of you. So you "associate it" with someone else.
So then in fear you see yourself as "only the victim" and you do not see yourself as "the victimizer". But your mind, as a whole, is actually playing both roles. It's just that the projected disowned role of victimizer seems like it's "not you", and the you that you think is being victimized is just one split off half of the mind.
"The secret of salvation is but this: That YOU are doing this UNTO YOURSELF. No matter what the form of the attack, this STILL is true. Whoever takes the role of enemy and of attacker, STILL is this the truth."
"Ideas leave not their source."
So the split mind has sort of become divided against itself and is now at war with itself. And various different properties seem to be assigned to one half, which you accept as "yourself", and the other half is denied and projected onto others as "not yourself".
Yet both parts are in your mind and don't go outside of it. So this whole roleplay of the two parts interacting, is happening inside your mind - ie you as a whole are actually doing it to yourself. This is the secret of salvation, to realize that you are NOT just one half of the equation. You are playing BOTH sides.
This is actually true of all things ego. If you take the position of victim, you are also victimizing. If you take the position of fear, you are also frightening and terrorizing. If you take the position of being sick at the hands of the world, you are also causing your own sickness. If you take the position of being helpless against death, you are also trying to destroy yourself from the outside in - which seems indirect.
So if i catch myself being afraid, I need to also remind myself that I am also the one who is scaring myself because I am the one who is doing the attacking. If I catch myself focusing on sickness, I need to remind myself that I am also the one causing sickness. If I am having pain, I need to realize I am making myself be in pain while pretending that it's not coming from me.
The stronger the state of dissociation, the less "oneness" there is with others. You'll see others as separated off from you, and you'll want nothing to do with them. You may even want to "get rid of them" at all costs, or wish they'd not exist, in extreme cases. The other seems to look truly "not me", to you, to such an extent that you think you are justified in blaming them for causing everything.
But what that means is that your mind is divided and strongly "taking sides" against itself. It's hiding from the other part of itself which it has projected through blame. You might think that the innocent victim self is the whole of your self, or your mind, because it's all you seem to be aware of as "within you".
This is because THAT part, thinks of the OTHER part, as OUTSIDE of itself. And therefore due to this separation between the two parts, you - this one part - believes the other part is "not you". And this is the major ego hurdle to be overcome.
Jesus describes ACIM as a course in "reintegration".
"To heal, or to make joyous, is therefore the same as to integrate and MAKE ONE."
"The purpose of this course is integration."
What is being integrated? The two sides of the split mind need to be rejoined as one whole mind. The sense of dissociation which splits you off from "your attacker" and frames others as "outside of you" needs to heal. It's not WHICH side you take that matters, it's the fact that you are taking sides at all.
We heal by becoming whole, moving from a state of "I'm playing the role of being on this one side", towards the recognition that you are playing BOTH sides. You play both sides of every conflict. You receive the effects of your own attack. What you do to others you do to yourself. What applies to them applies to you. This is the Golden Rule.
So if you find yourself "one sided", with you seeming to be caused by or at the effect of anyone or anything else, you know there is a brick wall of denial and disowning standing in front of you, behind which is the other half of your mind. And the wall needs to come down so that you can see that the part "in the shadows" and the part "in the light" are both parts of the same one mind.
By recognizing that both "sides" or "roles" or "personalities" or "identities" are existing within ONE mind, you recognize that NEITHER of them can be true. They are both illusions of separate identities - a victimizer and a victim. And the mind is pretending to be both of them. Neither really exists, and on seeing this both disappear, as the mind recognizes and "wakes up" to the fact that it is ONE MIND, not two.
"Opposites must be brought together, and not kept apart. For their separation is only in your mind, and they are reconciled by union, as YOU are."
"Dissociation is a distorted process of thinking, whereby two systems of belief, which CANNOT coexist, are BOTH MAINTAINED. It HAS BEEN recognized that, if they were BROUGHT TOGETHER, their joint acceptance WOULD become impossible. But, if one is kept in darkness FROM THE OTHER, their SEPARATION seems to keep them both alive, and equal in their reality. Their JOINING thus becomes the source of fear, for, if they meet, acceptance MUST be withdrawn from one of them."
"In our longer practice periods today, we will claim the peace that must be ours when the problem and the answer have been brought together."
"The light of guiltlessness shines guilt away because, when they are BROUGHT TOGETHER, the truth of one MUST make the falsity of its OPPOSITE perfectly clear."
"The miracle is possible when cause and consequence are brought together, NOT kept separate."