Thanks for your reply, which illuminated certain things for me.
Of course you're right about the effect of this passage, especially out of context, but I am still sympathetic to what it does not quite manage to achieve.
To exaggerate your point slightly, let's bring in Jacques-Alain Miller:
"It is not enough to say that monotheism, the cult of the One and of its total power, comes from the discourse of the master. When one hears one of its spokespersons — a recent convert, or one who has returned not so long ago — one sees that monotheism condenses its force, the insistence of the master-signifier, and that it translates, expresses, perpetuates the fixation which attaches the speaking/beings to the signifier 'one.'"
While this reading is very compelling, I think one can also read otherwise. It's hard precisely to express how, perhaps in part because Miller speaks, naturally, with such authority. And I don't mean to push things to the other extreme -- Oneness in the sense, say, of Buddhism (here I speak very naively) where one constantly negates authority and attains a kind of emptiness (which is also radical, negating, ...). I'm not at home in such thought and can't speak to it.
Nonetheless there is a kind of deep coherence, a very powerful sense of a "unified personality," in people who are, I think, most effective and most at peace with themselves. How does one talk about this? How does one find a rhetoric which is not fascistic in which one can achieve it? How does one speak of "achievement" without conjuring up heroic struggle?
I'm asking from more of an emotional than an intellectual place, I think, which is why this is not yet precise.
In any case I think I should probably stop here --- even the insistent rhythms of these questions have something Wagnerian about them...