本文重點討論道德的純粹性，即人心的一種純道德而不存其他雜念的狀態。文中論及儒家思想中透過誠、虛、靜等觀念對此一狀態的描述，繼而討論道德考驗及心靈之平和，以加深對純粹性的理解。篇末論及與純粹性有關的現象，包括道德經驗與進度，及心靈之單一性。

This paper discusses the phenomenon of ethical purity, namely, the complete orientation of the mind in an ethical direction and the absence of any element that detracts from this ethical orientation. It considers the way this phenomenon is presented in Confucian thought, through ideas such as cheng 誠 xu 虛 and jing 靜 The paper then approaches the phenomenon through a discussion of both the moral trials one goes through in life, and of the state of equanimity that accompanies the purity of the mind. Finally, it concludes with a discussion of the nature of ethical purity, including the nature of moral progress and the oneness of the mind.