There are two sides to a coin, and people often use dichotomy. Well, everything has two sides.When things happen, everything seems to be divided into two sides. What is black and white, right and wrong? Is it right or wrong, or even simple and rude?Or, noAimed at the two poles, the party is the same in fighting against differences, as if there are only opposites, but never unity.People are shackled to the material world transmitted by the five senses, infatuated with the illusion, out of the scope of the five senses, all non sense, material supremacy, dare not dare to dare to imagine the 'just in case', the moment when the coin stands upright in the heaven and earth, even if they see it, they will not believe it, and their eyes are disdainful.It's better to turn the coin. When it turns, you can divide the front and the back. Isn't it upright when it turns?We have been filled with endless daily life and physical desires. We think we are old fashioned, but in fact we are ignorant!And what about 'soul'?Being excluded from the invisible, thinking that they have grown up and become mature, have been polished away by the secular, smooth and changeable, become sophisticated and realistic, is this maturity or premature?Is the spirit dead?This book, "Qing Yun Zhuo", is written in a "pseudo practical style". It starts with a trichotomy in the three aspects of dream, reality and soul perception, and suddenly realizes that you are still you, just changing the skin, "everything is trichotomy, and the soul is immortal"