Humans learn by association. Every concept that you understand is connected to an earlier concept. So then, what happens if you retrace those connections? Wouldn't you eventually find a starting point? Indeed, you would. The Tangled Mind argues that a small group of primitive concepts sculpted your knowledge of the world. Essentially:
Today, your entire knowledge rests upon a sensory foundation. In this book, you'll learn how those sensory underpinnings influence your perception and behavior. You'll learn practical applications in life and business, and you'll learn how those concepts build deep-rooted beliefs and values (e.g., morality, religion, politics).