The book is a comprehensive exploration of human understanding and cognition from a philosophical perspective. It delves into the nature of knowledge, the process of knowing, and the dynamics of inquiry and learning. The author presents a detailed analysis of the human intellect and its operations, investigating the role of insight in decision-making, problem-solving, and discovery. The book also discusses the relationship between understanding and other cognitive faculties such as perception, memory, and imagination, while examining the impact of cultural, social, and historical factors on human understanding.

The novel follows the life of a Toronto doctor who uses his knowledge of medicine and his understanding of human nature to treat his patients. He believes in the healing power of the human spirit and often uses unconventional methods to treat his patients. The narrative is filled with his interesting patients and their stories, as well as his own personal journey. The book also explores themes of spirituality, love, and the complexities of human nature.