"The sixty-four hexagrams on the square map are the result of the arrangement of six hexagrams inside and outside the sixty-four hexagrams on the circle map. That is to say, in the position corresponding to heaven and earth, the divination of "Ze Tian Zi" in the circle map is the divination of "Heaven is Lu" in the later Arabian Map, and the internal and external divination is the opposite, so there is a saying that "Heaven is upside down and different, and the secret lies in the mysterious heaven"
& lt "Biography of Zhouyi Cohesion"; As the saying goes, "rivers paint, Luo writes, and saints write." Hetuluo's book is really the great ancestor of "gossip, yin and yang, five elements, the way of Yuan Yun"! Therefore, those who want to understand metaphysics can only explore the true meaning of scripture on the basis of the book of Hutuluo and three-day divination.
Before the invention of "Zhongtian Eight Diagrams", the so-called Kong Xuansan Eight Diagrams refer to Yuan Tu Eight Diagrams, Fiona Fang Eight Diagrams and the acquired Eight Diagrams. Now that the Eight Diagrams of Zhongtian have been clearly invented, we should take the three hexagrams of congenital, Zhongtian and acquired as the category of Kong Xuansan hexagrams.
Master Jiang Dahong said: "The mountains and rivers, the earth, the tangible shape, are all yin, and there is an invisible yang to respond, the so-called male and female. According to this, the so-called "dragon" in Feng Shui should be divided into "visible dragon" and "dragon of regulating qi and divining"! Therefore, the dragon in topography belongs to Yin, and the dragon in divination belongs to Yang. If two dragons, yin and yang, a female and a male, can be combined into one, then it can be concluded that their land undoubtedly belongs to a treasure trove of geomantic omen, which is "yin and yang meet and men and women copulate." "