Metaphysics is a universal word that for all languages means "what is beyond physics," being used to name what we cannot see or touch in spite the fact of its existence, like the hidden power of the mind or the power of God in our hearts. Metaphysics is the spiritual way of being for the Third Millennium, the New Age in which we are already living. Metaphysics is a religion without religion, a Church without a church. I has no dogmas, rituals or authorizes. From metaphysics, we learn how to be happy and how to live up to the Seven Aspects of God, the Seven Universal Principles or Hidden Laws of Nature and the Seven Invisible Bodies of the Human Being. This book gathers the principles of Metaphysics, in a plain and simple way of saying.