To study and study " Yijing ", you must first understand the concept of yin and yang. Because Yin and Yang are the core concepts of the Book of Changes.
The Eight Trigrams are composed of Yin and Yang lines. The middle of a horizontal stroke is broken into yin lines, and the middle is , yang lines . First there is Tai Chi , then there are two lines of Yin and Yang, and then it evolves into Four Symbols , that is, the four images composed of four pairs of Yin and Yang lines, and then the four images evolve into the Eight Trigrams, that is, the Eight Trigrams composed of three Yin and Yang lines. The eight single hexagrams are composed of three yang lines and yin lines, and the sixty-four hexagrams are and . Each hexagram is composed of six yang lines and yin lines. As the saying goes, Yin and Yang Bagua. Without Yin and Yang, there will be no Bagua.
Qiankun is the portal of Yi. Qian is the extreme of yang, Kun is the extreme of yin.
"Book of Changes" believes that everything can belong to yin and yang. Yin and yang are the two most basic forces in the universe. They depend on each other and opposite each other, producing everything. Hardness and softness, movement and stillness, news, bending and stretching, coming and going, advance and retreat are all forms of yin and yang; the universe, sun and moon, men and women, and parents are all concrete forms of yin and yang. There are many expressions about yin and yang in the "Book of Changes":
Do not use the hidden dragon, because yang is below.
Frost is hard and ice, and the yin begins to condense.
One yin and one yang are called Tao.
The yin and yang are unpredictable, and the god is called.
Yang hexagram has many yin, Yin hexagram has many yang, why is this? The Yang hexagram is strange, and the Yin hexagram is even. What is his virtue? Yang, one king and two people, is the way of a gentleman. Yin, two kings and one people are the way for villains.
Qian is a yang thing; Kun is a yin thing. Yin and Yang combine virtue, but hardness and softness are courteous.
observation changes in yin and yang and establishes hexagrams.
The way to establish heaven is called yin and yang. The way to stand in the ground is soft and hard. The way to establish a person is benevolence and righteousness. It has three talents and two liang, so it is easy to make a hexagram. It divides yin and yang, and uses softness and hardness one after another, so it is easy to form a chapter of six positions.
Do not use the hidden dragon, the yang energy is hidden. Although yin has beauty, it contains it. Yin condenses in the yang and will fight, because it is disliked by the lack of yang, so it is called dragon.
The concept of yin and yang was born from the ancients' observation and summary of natural objects. Yin and Yang are the alternating cycles of day and night formed by the emergence of the sun and the moon. The sun is the sun, and the sun shines brightly. Yin and Yang are represented as the state of back and sun and towards yang. Our country is located in the northern hemisphere. The sunshine situations in the south and north of the mountain are different. The south of the mountain is sunny and the north of the mountain is yin. The cities located in the north of the mountains are yang, such as Luoyang , Anyang , and the cities located in the north of the mountains are yin, such as Huayin and Shanyin.
During the Western Zhou Dynasty, the concept of yin and yang was used to analyze things and their development and changes. " Mandarin " records: "In the second year of King You, the three rivers of Western Zhou were all shaking. Boyang's father said: Zhou is about to perish. The qi of heaven and earth does not lose its order. If it goes beyond its order, the people will be in chaos. Yang is hidden and cannot come out, and Yin is forced and cannot be sluggish, so there is an earthquake. Today, the earthquake of Sanchuan is that Yang loses its place to control Yin."
The relationship between Yin and Yang is very complicated, Yin and Yang are opposite, Yin and Yang are harmonious, Yin and Yang are rooted, Yin and Yang are in the news, and Yin and Yang are transformed.
Yin and Yang are not only the core concepts of the Book of Changes, but also the core concepts of the Tao Te Ching. Laozi said: "All things carry yin and embrace yang, and the qi is harmonious."
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