What is This Book About? The issues discussed in this book are generally directly related to self-knowledge and self-discovery. The main topic concerns the mind's misconceptions and fallacies that are based on inappropriate assumptions when it attempts to know itself. Specifically, the mind's huge mistake and deep illusion in making no differentiation between the psychological self and physical reality is examined in detail. Through the simplest analyses and employing the most basic daily experiences, the readers of this text come to know the tricks of their mind in confusing themselves with their physical bodies.