Joy is shared ***What does it mean to live a long life?

I hope there is someone who knows each other well and warmly, and someone who can share my joy with me. No matter how wide the world is, we will measure it together, and no matter how long the years are, we will measure it together.

From Zhou Dunyi's philosophical works, there are only extant "Tai Chi Pictures" adapted from Taoist catalogues, "Tai Chi Pictures" with more than 200 words, and "Tongshu" with less than 3,000 words. .

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Now general books generally include an almanac part and a common sense part. The almanac part is arranged based on the calendar data of the Nanjing Purple Mountain Observatory of the Chinese Academy of Sciences, and mainly introduces the Gregorian calendar, The lunar calendar, days of the week, zodiac signs, twenty-four solar terms, various gods and evil spirits, taboos, etc.; the common sense part mainly includes the basic knowledge of auspicious selection, various gods and evil spirits, formula list classification selection, etc.

There are various versions of Tongshu, each with its own characteristics. Basically the same. The more famous one in my hometown is Jifutang Tongshu of the Luo family in Xingning, Guangdong. This general book has been in existence for more than 300 years since its founding in the Qing Dynasty. It has many branches and is very popular among the people in several provinces around Guangdong. There are also various versions in Hong Kong, Jubaolou, Song Shaoguang and so on.