Full Idea
It seems distinctive of substance that what is numerically one and the same is able to receive contraries. ...For example, an individual man - one and the same - becomes pale at one time and dark at another.
Gist of Idea
A single substance can receive contrary properties
Source
Aristotle (Categories [c.331 BCE], 04a10/20)
Book Reference
Aristotle: 'Categories and De Interpretatione', ed/tr. Ackrill,J.R. [OUP 1963], p.11