The Book of Kuzari is a philosophical and theological treatise written by the Jewish philosopher and poet, Judah Halevi, in the 12th century. The book is written in the form of a dialogue between the Khazar king and a Jewish sage, in which the king seeks to learn about Judaism and its beliefs. The sage responds by presenting a detailed account of Jewish history, theology, and philosophy, arguing that Judaism is the true religion and that its beliefs...