Full Idea
That by participation in which like things are made like, will be the absolute idea, will it not?
Gist of Idea
If things are made alike by participating in something, that thing will be the absolute idea
Source
Plato (Parmenides [c.366 BCE], 132e)
Book Reference
Plato: 'Plato IV (Cratylus,Parmenides,Hippias Maj, Min)', ed/tr. Fowler,H.N. [Harvard Loeb 1926], p.221