OK, so I just looked into it again, Setians use the phrase Xepera Xeper Xeperu to mean "I have Come Into Being, and by the Process of my Coming In to Being, the Process of Coming Into Being Is Established", and from the website of an artist named Joan Ann Lansberry I find a phrase that, funny enough, said to have been uttered by the Egyptian sun god Ra (or perhaps a different god addressed as Neb-er-tcher) according to The Book of Knowing the Transformations of Ra and the Overthrowing of Apep, in which the phrase is originally rendered as "Khepera Kheper Kheperu", which originally means something like "I am he who came into being and who made to come into being the beings who came into being", and the Setian use of the letter X instead of Kh comes from E. A. Wallis Budge's translation of Kheper. Another translation of the same phrase, also from Budge, would be "I am he who came into being in the form of the god Khepera, and I am the creator of that which came into being". Now, of course, Budge's work is nowadays recognised as consisting mostly of inadequate, not to mention outdated, translations of Egyptian texts, which means Michael Aquino and the Temple of Set got their spelling of Xeper from a poor translation of texts such as The Book of Knowing the Transformations of Ra and the Overthrowing of Apep, which as a result of the ToS's usage has persisted in modern occulture and Satanism, and consequently the occasional mentions in black metal. Unfortunately, I can't seem to find any more recent translations of the phrase. That could indicate that perhaps this one has held up, or perhaps that more recent scholarship has not yet re-examined it. Either way though, as Lansberry admitted, the original text almost certainly refers to the speech of a (likely solar) creator deity, while the Setians take it to refer to individual self-consciousness. The point that emerges from that is that the Setians attempt to identify their doctrine with ancient Egyptian theology, magic, and cultus, yet, in their ignorance, fail to perceive the identification of their own notion of individual self-consciousness, eternal and endlessly becoming as they take it to be, with the coming-into-being and regular regeneration of the sun, the divine activity of Ra-Khepri-Atum, even while Don Webb for example identifies the Setian Xeper with Hrumachis (probably a form of Horus, who Crowley refers to as the Dawning Sun, which thus represents any new course of events) because they prefer to credit this becoming with Set, who they interpret as uttering the word "Xeper" in isolation from the universe, whereas in ancient Egyptian theology "Kheper" denotes something that not only precedes the cosmos but happens in the cosmos, and in the chaos that precedes it, whose waters lift the barque of Ra-Khepri. "Kheper", and for that matter "Xeper" by extension (despite the Setians' intentions), is not the word of Isolation, not even close: it is if anything "the word" of continuity. Webb's understanding of it being the word uttered by the individual, beyond and without the power of divine kingship, applies only in the sense that the individual itself embodies, and represents the continuity of, the power expressed by the solar-pantheistic Ra-Atum-Khepri to continually come into being.
