Full Idea
If a man studying astronomy sees events apparently happening by necessity rather than being directed by the intention of a benevolent will, he will turn into an atheist.
Gist of Idea
If astronomical movements are seen as necessary instead of by divine will, this leads to atheism
Source
Plato (The Laws [c.349 BCE], 967a)
Book Reference
Plato: 'The Laws', ed/tr. Saunders,Trevor J [Penguin 1970], p.527