In his disappointment he vented his spleen on the Talmud and the already restricted liberties of the Jews. At the last sitting of the disputation he dismissed the Jewish notables with black looks, from which they easily divined his evil intentions. Various obstacles prevented him from putting them into force for six months, when (May 11th, 1415) they were embodied in a bull of eleven clauses. The Jews were forbidden to study or teach the Talmud and Talmudic literature; all copies of the Talmud were to be sought out and confiscated. Anti-Christian works, written by Jews, especially one entitled "Mar Mar Jesu," were not to be read under pain of punishment for blasphemy. Every community, whether large or small, was prohibited from possessing more than one simple, poorly appointed synagogue. The Jews were to be strictly separated from Christians, were not to eat, bathe, or do business with them. They were to occupy no official posts, exercise no handicrafts, not even practice medicine. The wearing of the red or yellow Jew badge was also enjoined by this bull. Finally, all Jews were to be forced to hear Christian sermons three times a year-- during Advent, at Easter, and in the summer. In the first sermon the Prophets and the Talmud were to be used to prove that the true Messiah had come; in the second, their attention was to be directed to the abominations and heresies contained, according to Geronimo's treatise, in the Talmud, alone responsible for their infidelity; and in the third it was to be impressed upon them that the destruction of the temple and the dispersion of the Hebrew people had been predicted by the founder of Christianity. At the close of each sermon the bull was to be read aloud. The strict execution of this malignant edict was confided by the pope to Gonzalo de Santa Maria, son of the apostate Paul, who had been taken over to Christianity by his father.