Full Idea
Some believe that Epicurus gave lip-service only to the gods, so as not to offend the Athenians, but in fact did not believe in them.
Gist of Idea
Some say Epicurus only pretended to believe in the gods, so as not to offend Athenians
Source
report of Epicurus (fragments/reports [c.289 BCE]) by M. Tullius Cicero - On the Nature of the Gods ('De natura deorum') I.84
Book Reference
Cicero: 'The Nature of the Gods', ed/tr. McGregor,Horace [Penguin 1972], p.104