《系辞》上:“一阴一阳之谓道。”《正义》:“以理言之为道,以数言之谓之一,以体言之谓之无,以物得开通谓之道,以微妙不测谓之神,应机变化谓之易。总而言之,皆虚无之谓也。”按阮籍《通老子论》云:“道者自然,《易》谓之‘太极’,《春秋》谓之‘元’,《老子》谓之‘道’也”(《全三国文》卷四一);成公绥《天地赋》云:“天地至神,难以一言定称。故体而言之,则曰‘两仪’;假而言之,则曰‘乾坤’;气而言之,则曰‘阴阳’;性而言之,则曰‘柔刚’;色而言之,则曰‘玄黄’;名而言之,则曰 ”Coax“ on: ”a yin yang of the said Road.“ ”“ Justice ”: “ to justify the way, in one of the words that one, in order to say nothing, to get things open According to Ruan Ji ”Tong Lao Zi Lun“: ”Taoist nature,“ easy ”that the“ Tai Chi ’,’ Spring and Autumn Period ’means’ Yuan’, ’Lao Tzu’ means’ Tao ’also ”(“ All Three Kingdoms ”Volume 41); Chenggong Sui“ Heaven and Earth Fu ” In the case of the body, then said ’two instruments’; in fake terms, then said ’heaven and earth’; gas in terms of, then said ’yin and yang’; sex, then said ’soft Gang’ ; Color terms, then said ’Xuan Huang’; name in terms of, then said