Full Idea
The last [primary] matter and the shape-form [morphe] are the same and a unity, the one in potentiality and the other in actuality.
Gist of Idea
Primary matter and form make a unity, one in potentiality, the other in actuality
Source
Aristotle (Metaphysics [c.324 BCE], 1045b19)
Book Reference
Aristotle: 'Metaphysics', ed/tr. Lawson-Tancred,Hugh [Penguin 1998], p.250
A Reaction
This seems to be exactly the statue/clay problem, that they have different modal properties, although coinciding in actuality.