Curiosity and Learning: The book highlights the author's curiosity and his eagerness to embark on a quest for knowledge by attempting to read the entirety of the Encyclopaedia Britannica.

Intellectual Humility: Despite the title suggesting an attempt to become the "smartest person," the book likely explores the challenges of intellectual humility and the vastness of human knowledge.

Quirky Facts: Jacobs shares quirky and interesting facts he discovers during his journey through the encyclopedias, providing readers with entertaining and unexpected insights.

Personal Growth: The book may touch on the personal growth and self-discovery that Jacobs experiences as he immerses himself in diverse subjects and expands his knowledge base.

Book as a Memoir: "The Know-It-All" is not just about the information found in the encyclopedias but also serves as a memoir, offering glimpses into the author's life, experiences, and relationships.

Literary Exploration: Jacobs explores the literary world by attempting to read the entire Encyclopaedia Britannica, presenting his reflections on the nature of knowledge and learning.

Cultural Observations: The book likely includes cultural observations, humorously reflecting on societal norms, values, and attitudes toward knowledge and education.

Impact on Daily Life: Jacobs may discuss how the pursuit of encyclopedic knowledge affects his daily life, relationships, and interactions with others.

The Joy of Learning: Despite the challenges, the book may convey the joy and satisfaction that comes with the continuous pursuit of learning and acquiring new information.

Appreciation for Expertise: Jacobs' journey may lead to an appreciation for the expertise of specialists in various fields, highlighting the depth and complexity of knowledge within specific disciplines.