Full Idea
A religion dies when it tolerates truths which exclude it; and the god in whose name one no longer kills is dead indeed.
Gist of Idea
A religion needs to motivate killings, and cannot tolerate rivals
Source
E.M. Cioran (A Short History of Decay [1949], 6 'Views')
Book Reference
Cioran,E.M.: 'A Short History of Decay', ed/tr. Howard,Richard [Penguin 2010], p.177
A Reaction
I fear that in our time we have people who are killing in the name of their religion as a last resort to try to convince themselves that their religion is not dying. It is startlingly how religion can now be publicly mocked. Unthinkable 50 years ago.