Yarrowstalk divination is mentioned in the Mawangdui B Dao De Jing chapter 25: you3 wu4 kun2 cheng2 there-is matter descendant completed xian1 tian1 di4 preceeding heaven and earth sheng1 xiao1 he1 born desolate HO-HO liao2 he1 deserted HO-HO du2 li4 er2 bu4 gai3 ke3 only established and not...

I have been trying to understand the origin, nature, and ordering of the eight trigrams, in particular as they appear in the Former and Later Heaven sequences. I always seem to have the most trouble with the simplest things. I have many books and resources that comment as to the nature of the...