Dao De Jing, chapter 6
“The valley spirit does not die, it is called the invisible mother.”
“The gate of the invisible mother is the root of heaven and earth.”
“Formless but appears to exist, use it and it never depletes.”
Master Yuan Xiu Gang explains:
In September 2019 we have a seminar with Yuan Xiu Gang in Vienna! Register if you want to learn more about Daoism!