Almost every year I go back to Shaanxi, because I have some responsibilities in Shaanxi. I like all kinds of Taoism books and Taoist music. I also like Taoist history. When historians study Taoism history, they generally study it vertically. I study it horizontally.
Vertical study is to study the history according to the development of history.
My horizontal study is to study the effects of politics, culture, etc. posed upon Taoism. I study the whole of history. In the Tang Dynasty, Taoism prospered. In the Yuan Dynasty Taoism met some setbacks, yet in the early years of the Yuan, Quanzhen was quite popular. In Ming Dynasty during Zhu Yuanzhang time Taoism suffered a reduction, yet in Wanli time, Taoism prospered again.