From the past chapter we may understand the Alter Rebbe’s earlier statement that a spoken word is utterly without value in comparison with the soul’s intellectual and emotional powers (which are described here, for our purposes, as the essence of the soul).
Surely, then, the Divine “Word” by which G‑d creates and animates all the worlds has no value at all next to G‑d, Who is truly and absolutely infinite.
Thus all the worlds created and sustained by the Divine Word are as if nonexistent, from G‑d’s perspective, and their presence does not effect any change in His unity. This theme will be further discussed in the following chapter.