Full Idea
Fear of power invisible, feigned by the mind or imagined from tales publicly allowed, is religion; not allowed, is superstition.
Gist of Idea
If fear of unknown powers is legal it is religion, if it is illegal it is superstition
Source
Thomas Hobbes (Leviathan [1651], 1.06)
Book Reference
Hobbes,Thomas: 'Leviathan', ed/tr. Macpherson,C.B. [Penguin 1981], p.124