Full Idea
Zeno says that the entire cosmos and the heaven are the substance of god.
Gist of Idea
The cosmos and heavens are the substance of god
Source
report of Zeno (Citium) (fragments/reports [c.294 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 07.148
Book Reference
'The Stoics Reader', ed/tr. Inwood,B/Gerson,L.P. [Hackett 2008], p.55