`  : you are correct on both points - though perhaps you might find your views as being able to be expressed with rather less invective.  ``Mass`` , so far as I am aware, is nowhere found in mithraic remains.  ``Petros`` is found in relation to the birth of Mithras, but this can scarcely be suggested as a parallel to the Christian Saint named (in Aramaic) Cephas. ``built on a rock`` is a very different concept from ``born out of a rock``.  :However, it is a reasonable question whether two - almost exactly contemporary - new religions may not have been somehow related.  Many theories have been advanced with supporting evidence, some by respected scholars, and it is surely right that persons who find the evidence  compelling (as personally I do not) should be able to report this in the Wiipedia.`