The realization of the One Mind is, as our text says, the ‘at-one-ment of the Trikaya’; in fact it creates the at-one-ment. But we are unable to imagine how such a realization could ever be complete in any human individual.
Jung argues that while the One Mind is identified with the Trikaya’s at-one-ment, its complete realization is structurally impossible for any human subject because the very act of knowing preserves an irreducible residual ego.
, Psychology and Religion: West and East, 1958thesis