东汉著名思想家王充曾经有言:“夫知今不知古,谓之盲瞽”;“知古不知今,谓之陆沉”(《论衡·谢短篇》)。这两句话提醒我们在思想文化史的研究上应该古今并重,把研究古代与研究现代有机地结合起来。一般地说,研究古代思想文化固非容易,但由于所研究的对象与现实距离遥远,与当代 Wang Chong, a well-known thinker in the Eastern Han Dynasty, once made a remark: “I do not know the ancient knowledge of the ancient husband, that the blind 瞽”; “I do not know now know this, that the land Shen” (“Lun Heng Xie Xie”). These two sentences remind us that we should combine ancient and modern research in the study of the history of thought and culture, and organically integrate the study of ancient with the study of modern times. In general, the study of ancient ideological and cultural solid is not easy, but because of the distance between the object of study and reality, and contemporary