Had Leo Modena been in earnest with this bold view, which would have revolutionized the Judaism of his day, had he uttered it to the world with deep conviction, he would no doubt have produced great commotion in Judaism. But criticism of the Talmud was only mental amusement for him; he did not intend to engage in an actual conflict. He composed a reply with as little sincerity, and let both attack and defense slumber among his papers. Leo Modena was more in earnest with the attack on the Kabbala, which had become burdensome and repulsive to him. He felt impelled to discharge destructive arrows against it, and this he did with masterly skill. He called the anti-Kabbalistic work, which he dedicated to his disciple Joseph Chamiz, a Luryan enthusiast, "The Roaring Lion" (Ari Noham). From many sides he threw light on the deceptions, the absurdity, and the falsehood of the Kabbala and its fundamental source, the Zohar. Neither this work nor his attacks on Talmudical Judaism were published by him: the author was not anxious to labor in either direction. To a late age he continued his irregular life, without striving after real improvement. Leo Modena died, weary of the conflict, not with gods (_i. e._, ideas) and men, but with himself, and of the troubles which he had brought upon himself. Apparently similar, yet differing fundamentally from him, was the third burrower of this period: Joseph Solomon Delmedigo (born 1591, died 1655). Scion of an old and noble family, in whose midst science and the Talmud were cultivated, and great-grandson on the female side of the clear thinker Elias del Medigo, he but slightly resembled the other members of his house. His father, a rabbi in Candia, had not only initiated him into Talmudic literature, but also made him learn Greek. Later Delmedigo acquired the literary languages of the time, Italian and Spanish in addition to Latin. The knowledge of languages, however, was only a means to an end. At the University of Padua he obtained his scientific education; he showed decided inclination for mathematics and astronomy, and could boast of having as his tutor the great Galileo, the discoverer of the laws of the heavens, the martyr to natural science. By him he was made acquainted with the Copernican system of the sun and the planets. Neither Delmedigo nor any believing Jew labored under the delusion that the stability of the sun and the motion of the earth were in contradiction to the Bible, and therefore heretical. Delmedigo also studied medicine, but only as a profession; his favorite subject continued to be mathematics. He enriched his mind with all the treasures of knowledge, more varied even than that of Leo Modena, to whom during his residence in Italy he clung as a disciple to his master. In the circle of Jewish-Italian semi-freethinkers he lost the simple faith which he had brought from home, and doubts as to the truth of tradition stole upon him, but he was not sufficiently