"Inquiries concerning human understanding" is the fundamental work of the outstanding Scottish philosopher David Hume. In this book, the author explores the nature and limits of human understanding, illuminates questions about the nature of experience, causality, faith, morality, and values. Hume questions some of the commonly held ideas and proposed theories, offering the reader a deep and critical look at the basic aspects of human thinking. With its innovative ideas and analytical approach, An Inquiry into Human Understanding has become a classic work of philosophy that remains relevant today.