The gage of battle was thrown and the university was resolved on no half-measures. It would reduce the Mendicants to the condition of the other religious orders and earn the gratitude of all the prelates and clergy by stripping them of the privileges which rendered them so dangerous. For this purpose it was necessary to win the favor of Rome, and the students enthusiastically assessed themselves, economizing in their expenses that they might contribute to the fund which was necessary if anything was to be done with the curia. The leader of the faculty in the quarrel was William of St. Amour, noted both as a preacher and a teacher, learned, eloquent, and inflexible of purpose. He was sent to the Holy See, where he found Innocent IV. in a frame of mind adapted to listen to his arguments that the Mendicant Rules were fitted only to lead souls to perdition. The pope had been the friend of the Orders, and had confirmed and enlarged their privileges, but just now was out of humor. The Dominicans asserted that this arose from their having secretly received into the Order one of his cousins whom he loved greatly and intended to advance in the world; and also from the malevolence of another cousin, who proposed to build at Genoa a fortress-palace to dominate the city, and had been prevented by the Dominicans refusing to sell a piece of ground essential to his purpose. Innocent's mind must indeed have been receptive of William of St. Amour's arguments. In July and August, 1254, he had issued repeated briefs in favor of the Mendicants and against the University. On November 21 he promulgated the bull _Etsi Animarum_, known among the Mendicants as the "terrible" bull, by which the members of all religious orders were forbidden to receive in their churches on Sundays and feast-days the parishioners of others; they were not to hear confessions without the special license of the parish priests, they were not to preach in their own churches before mass, so that parishioners should not be drawn away from their parish churches, nor were they to preach in the parish churches, nor when bishops preached or caused preaching to be done.[252]