Through his early confrontation with Spinoza\u2019s philosophy and its impact on modern German and Jewish thought, Leo Strauss began to rethink the relationship between Reason and Faith, and to call into question the alleged victory of modern philosophy over religion. Il testamento di Spinoza, edited by Riccardo Caporali, collecting three essays written between 1924 and 1932 not yet published in Italian, allows the reader to fully appreciate the complexity of this encounter. Overcoming Cohen\u2019s critique of the Dutch philosopher, Spinoza, \u201ca great man, but not a good Jew\u201d, becomes for the young Strauss a symbol of his own struggle between the loyalty to the philosophic enterprise as restless quest for truth and the loyalty to h...