Full Idea
We should consider whether there is some other sort of substance, such as, perhaps, numbers.
Gist of Idea
Perhaps numbers are substances?
Source
Aristotle (Metaphysics [c.324 BCE], 1037a11)
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.209
A Reaction
I don't think Aristotle considers numbers to be substances, but Pythagoreans seem to think that way, if they think the world is literally made of numbers.