I offer early Christianity as a case-study to show that the phenomena that we group under "religion(s)" comprise a somewhat artificial category, and that "religions" are not "all the same."
Larry HurtadoJustin Martyr says that he was impressed in his study of the Old Testament, at the seriousness and contents of these writings, and became convinced that Jesus fulfilled these texts.
Larry HurtadoSome modern scholars contend that in terms of what "religion" was in that [Roman-era setting], you can't even call Christianity a religion.
Larry HurtadoEarly Christianity, like Roman-era philosophical traditions, laid emphasis on everyday behavior, about how to live your life.
Larry Hurtado