Giordano Bruno's Cabala del cavallo pegaseo (The Cabala of Pegasus) grew out of the great Italian philosopher's experiences lecturing and debating at Oxford in early 1584. Having received a cold reception there because of his viewpoints, Bruno went on in the Cabala to attack the narrow-mindedness of the university--and by extension, all universities that resisted his advocacy of intellectual freethinking. The Cabala of Pegasus...