Our point, then, is as follows. Barnabas puts into the mouth of our Lord, as we have observed above, numerous predictions of the future advent of Mohammed as “Messiah” and “Messenger of GOD.” In one of these a “Jubilee” is spoken of as recurring every hundred years: “il iubileo ... che hora uiene ogni cento hanni.”[310] The writer or compiler here, as often, fails to throw himself back into the Palestine of the first century, in which, as his very considerable knowledge of the Old Testament[311] should have reminded him, the Hebrew Jubilee of fifty years would have been in force. Whence, then, comes this Jubilee? He cannot have derived it from the _Koran_. We are almost forced to the conclusion that the “hora” of the passage quoted is a literal “now” and refers to a contemporary institution—to the Jubilee as conceived of at the moment when the lines were penned; and that, the Jubilee of Western Christendom. This carries us back beyond the twenty-five years’ Jubilee of modern times—beyond the year when Clement VI, for his own ends, instituted a Jubilee of fifty years after the Hebrew model; and would give us as our _terminus ad quem_ the year 1349. For the upper limit—the _terminus a quo_ of the original Barnabas we must turn to the famous Jubilee of 1300, the ideal date of Dante’s pilgrimage. For though the Bull[312] by which that Jubilee was promulgated alleged antecedent tradition, and the contemporary chroniclers naturally followed suit,[313] there seems to be no sufficient historical evidence for a precedent. Thus, between the years 1300 and 1350—and, apparently, only during that period—it would have been possible to speak of the centennial Jubilee as an established institution. If this be so, the writing of this passage in _Barnabas_ is relegated to the years in which the _Divina Commedia_ took its final shape, or those just after the poet’s death in 1321 when the poem so swiftly took its place among the classics of the world’s literature. The foregoing sketch does not pretend to be exhaustive;[314] it does not even claim to have proved anything of a substantial nature: but it may perhaps suggest to some more competent mind a line of study which has at least the merit of freshness, and it may serve to introduce to those who are not acquainted with it, a document of no ordinary interest and of no little beauty. It is sometimes stated that Dante places Mohammed not among pagans nor among heretics but with the schismatics: as though he shared the optimistic view of some of his contemporaries, that the Moslems were but an extreme form of Christian “sect.”