[533] Whoever will read the two monographs of the Baron Carra de Vaux, Avicenne and Gazali, will be struck by the closely analogous courses of Moslem and Christian thought; each showing the parallel phases of scholastic rationalism (reliant upon reason and rational authority) and scholastic theological piety, or mysticism (reliant upon the authority of Revelation and sceptical as to the validity of human reason).
[534] See for this matter Mandonnet, O.P., Aristote et la mouvement intellectuel du moyen âge, contained in his Siger de Brabant, and printed separately; De Wulf, History of Medieval Philosophy, 3rd ed., pp. 243-253 and authorities; C. Marchesi, L’ Etica Nicomachea nella tradizione medievale (Messina, 1904).
[535] Ante, Chapter V.
[536] Constitutiones des Prediger-Ordens vom Jahre 1228, Prologus; H. Denifle, Archiv für Litt. und Kirchenges. des Mittelalters, Bd i. (1885), p. 194.
[537] See Felder, Wissenschaftlichen Studien im Franciskanerorden, p. 24 (Freiburg im Breisgau, 1904); a valuable work.
[538] See Felder, o.c. p. 29.
[539] Constitutiones, etc., cap. 28-31.
[540] Cf. Felder, o.c. p. 107 sqq.
[541] Cf. Felder, o.c. p. 177 sqq.
[542] From Denifle, Universitäten des Mittelalters, i. 99, note 192.