It seems very strange to say that the religions exist almost on irreligious things, or it will be better to say, on anti-religious things.They use those things, but on the surface you don't see that.
Its caricatures range from the irreligious (the Prophet Muhammad displaying his pimply bottom) to the political (Marine Le Pen shaving her pubic hair).
None of the astronomers were irreligious men; all of them made a point of magnifying God through his works; a form of science which did their religion no credit.
The Common Reader Volume 1 26 Essays on Jane Austen, George Eliot, Conrad, Montaigne and Others
It is the saint in them which confounds us with a feeling of our own irreligious triviality, and turns so many of our famous novels to tinsel and trickery.