This is a major phenomenological work in which real learning works in graceful tandem with genuine and important insight. Yet this is not a work of scholarship; it is a work of philosophy, a work that succeeds both in the careful, descriptive massing of detail and in the power of its analysis of the conditions that underlie the possibility of such things as description, interpretation, perception, and meaning.

Principles of Interpretation formulates answers to these questions: How does the interpretative process proceed? What are its fundamentals? What assurance have we that our interpretations are in principal faithful to that which is to be interpreted? What conclusions are indicated concerning the past phases of our history and its present tendencies?