The ultimacy of Tao points out the value of academic study, which decide the criteria of history research is the history meaning other than history word and history event.

• 道的终极性，指明了学术研究的最终价值归属，这就要求裁断史学之所以成为史学的标准，不在于“史文”，也不在于“史事”，而在于“史义”。