Like a dream of red mansions, let me start by saying: this is the first time to open a book. Ha ha!
Everything has a source, and so does calligraphy. Let's talk about the source first. The source is words. So we should start from the etymology.
The earliest humans had no words, so they tied a knot on the rope when they met something, made a summary when they met small things worth remembering, and tied a big knot when they met big things worth remembering. As for the first person who invented writing in the history of China, there is no accurate record, but some shadows can be found in ancient books.
"Lu's Spring and Autumn Annals. JUNSHOU said: "Xi Zhong made cars, Cang Xie made books, Hou Ji made crops, Hao Tao made punishments, Kunwu made pottery, and Xia Ying made cities. What these six people have done is worthwhile. " In other words, cars, books, crops, instruments of torture, pottery and cities all have their own origins, among which there are words made in Cang Xie.