The Great Heresy of Separateness is a book written by G. de Purucker that delves into the concept of separateness in modern society. The book explores how the idea of separation has become a dominant force in human thought and behavior, leading to a sense of isolation and disconnection from others and the natural world. De Purucker argues that this sense of separateness is a great heresy, as it is contrary to the fundamental unity of all things in...