In the words of Liu Dalin, who has put much effort into researching ancient Chinese sexual culture, "if we want to understand the present, we have to properly understand the past." This identifies the value and importance of ancient sexual culture for people today.
「要瞭解當代，必須先好好瞭解過去」，致力研究中國古代性文化的劉達臨一語道出古代性文化對今人的價值與重要性。