Published in the 19th century, this book is considered a seminal work in the field of epistemology and has influenced philosophers and theologians for generations.

Extensive excerpts ... are often reprinted in anthologies. This is sufficient proof of the enduring interest in this subject, and of the importance of these particular essays." -from the Preface

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.