Enneads VI.1: Of the Ten Aristotelian and Four Stoic Categories
“Seminal Reasons,” as Qualified Matter, Would Be Composite; and Secondary
If the Stoics say that the qualities are “qualified matter,” then their (“seminal) reasons” being not merely united to nature, but (fully) material, will no doubt form a composite; but before forming this composite they themselves will already be composed of matter and forms; they themselves will therefore be neither reasons nor forms.