Full Idea
The unlimited partakes neither of the round nor of the straight, because it has no ends nor edges.
Gist of Idea
The unlimited has no shape and is endless
Source
Plato (Parmenides [c.366 BCE], 137e)
Book Reference
Plato: 'Plato IV (Cratylus,Parmenides,Hippias Maj, Min)', ed/tr. Fowler,H.N. [Harvard Loeb 1926], p.237