1. Six schools of pre-Han philosophy, as analyzed by 司馬談|司马谈[Si1 ma3 Tan2] (儒家[Ru2 jia1], 道家[Dao4 jia1], 陰陽|阴阳[yin1 yang2], 法家[Fa3 jia1], 名家[Ming2 jia1], and 墨家[Mo4 jia1])