("More than once he has traveled joyfully through remote regions and by strange roads, led on by his zeal for knowledge and seeking to discover in foreign lands novelties in books or in studies which he could take back with him. And this zealous student journeyed to the city of Romulus.")
[407] A. Neander, General History of the Christian Religion and Church, 5th American ed., Boston, 1855, Vol. III, p. 89, note 4; Libri, Histoire, Vol. I, p. 143.
[408] Cunningham, loc. cit., p. 81.
[409] Heyd, loc. cit., Vol. I, p. 4.
[410] Ibid., p. 5.
[411] Ibid., p. 21.
[412] Ibid., p. 23.
[413] Libri, Histoire, Vol. I, p. 167.
[414] Picavet, Gerbert, un pape philosophe, d'après l'histoire et d'après la légende, Paris, 1897, p. 19.
[415] Beazley, loc. cit., Vol. I, chap, i, and p. 54 seq.