The ideas include learning from the kings of recent antiquity, predicting the future according to the past and present similar situation, making detailed study on recent history but not neglecting remote antiquity, and ruling a country by propriety.

According to his own words,his intentions were "coping with changes with justice" and "managing affairs with justice",that is,later kings should draw on the political ideas that had been proven successful and universal to cope with the complicated contemporary situations and benefit people.

If the Western people stress the natural law,the Chinese the "kingly way-Wang Faren.