Again, in this Concrete World, the world of Persons and Things, Number
reappears, and guides the next great Grammatical division of Nouns
Substantive; and the ruling numbers are, again, One, Two, Three.
The Number One corresponds with the Singular Number in Grammar, and with
the Individual or Single Person (or Thing) in the Universe at large. The
Number Two corresponds with the Dual Number in Grammar, and with the
Couple or Pair in the World of Persons (and Things); and finally the
Number Three corresponds with the Plural Number in Grammar and with
Society or the many among Persons (and Things); or in tabular form,
thus: