Sentence:  As the Epicureans had a <WSD>Deism</WSD> without a God, so the Unitarians have a Christianity without a Christ, and a Jesus but no Saviour. 
Meaning of the word marked with <WSD> tags:  A philosophical belief in the existence of a god (or goddess) knowable through human reason; especially, a belief in a creator god unaccompanied by any belief in supernatural phenomena or specific religious doctrines.