For many people this is the most intelligent book ever written. You can not say that a book will forever transform your thinking, if not endorse such a compromising written statement. It is undoubtedly the most crucial step in the evolution of universal thought. In a pleasant and clear exposed reasoning that affect all us. But the most attractive is the fact that the authors, in a stroke of genius, left intentionally loose threads as an invitation to be bound by the alertness of each reader. And so, almost without realizing it, you will be analyzing issues and formulating arguments. At that time you will experience the pleasure, uncommon, causing the emergence of a idea born in the depths of your mind.