8 Trigrams of the Yijing
A divination tool originally developed from casting yarrow stems, the eight trigrams (八卦) represent every configuration possible from combining two types of line - broken and unbroken - in sets of three.
6 Schools of Sima Tan
Sima Tan (司馬談) 165-110 BC was a grand historiographer and astrologer of the Western Han dynasty, who classified the philosophy of his time into six main traditions. Of the six, Sima Tan favoured Daoism as the one school among them with the breadth of thought to encompass the others.
