  Bonaventure performed all three tasks of a Master of Theology from 1254–57. He revised his commentary on Luke and composed commentaries on John and Ecclesiastes. He also held three sets of disputed questions. The questions On the Knowledge of Christ (De scientia Christi), which develop his illumination theory of knowledge, probably came out of his inception as Master in 1254. The questions On the Mystery of the Trinity (De mysterio Trinitatis), which elaborated his view of God, were likely the last ones he wrote (Hayes 1992, 40–44; 1979, 24–29).  Both were composed in a lofty style that gives no evidence of the conflict embroiling Paris at the time. The third set of disputed questions, however, were On Evangelical Perfection (De perfectione evangelica) and consisted in a defense of the friars’ way of life, under attack by non-mendicant Masters led by William of St. Amour. In October 1256, Pope Alexander IV ordered the secular Masters at Paris to accept Bonaventure and the Dominican Thomas of Aquino in their rightful places as Masters of Theology, but it was not until 12 August 1257 that they did so. But six months earlier Bonaventure had been appointed Minister  General.[6]  In addition to the normal magisterial writings, Bonaventure also wrote On Retracing the Arts to Theology (Opusculum de reductione artium ad theologiam) while Master; and probably in 1257, while leaving the University, he managed to compose his Breviloquium, a “short reading” that contains in outline the main theses of a theological summa that would never be composed. 