Full Idea
Did you ever actually see a god? Then why do you believe that gods exist?
Gist of Idea
Why believe in gods if you have never seen them?
Source
M. Tullius Cicero (On the Nature of the Gods ('De natura deorum') [c.44 BCE], I.88)
Book Reference
Cicero: 'The Nature of the Gods', ed/tr. McGregor,Horace [Penguin 1972], p.105