When, anachronistically projecting a modern concept onto the past, one often speaks of a ‘Roman religion’, it must not be forgotten that… this was nothing but the sum of the ritual formulas and practices to be observed in the ius divinum: cum omnis populi Romani religio in sacra et in aspicia divisa sit (“The religion of the Roman people comprises ritual and auspices” [De natura deorum 3.5]). For this reason he [that is, Cicero -interruptions] could point to its etymology (which, moreover, is shared by modern scholars) in the verb relegere, to observe scrupulously….