"Every Valley Shall Be Exalted"In high medieval France, men and women saw the world around them as the product of tensions between opposites. Imbued with a Christian culture in which a penniless preacher was also the King of Kings and the last were expected to be first, twelfth century thinkers brought order to their lives through the creation of opposing categories. In a highly original work, Constance Brittain Bouchard examines this poorly understood component of twelfth century