Full Idea
Zeno and his followers say that there is no void within the cosmos but an indefinite void outside it.
Gist of Idea
There is no void in the cosmos, but indefinite void outside it
Source
report of Zeno (Citium) (fragments/reports [c.294 BCE]) by Pseudo-Plutarch - On the Doctrine of the Philosophers 884a
Book Reference
'The Stoics Reader', ed/tr. Inwood,B/Gerson,L.P. [Hackett 2008], p.88
A Reaction
Only atomists (such as Epicureans) need void within the cosmos, as space within which atoms can move. What would they make of modern 'fields'? Posidonius later said there was sufficient, but not infinite, void.