Full Idea
Other things get to be unities by dint of the fact that the account [logos] of them is single, ...a thought about which is a single thought, ...which is an indivisible thought, ..which is a thought about a formally or numerically indivisible object.
Gist of Idea
Some things are unified by their account, which rests on a unified thought about the thing
Source
Aristotle (Metaphysics [c.324 BCE], 1052a28)
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.286
A Reaction
This highlights the distinction between things that seem intrinsically unified, and things on which we bestow unity. But note that towards the end of the quotation Aristotle elides the two together.