Abstract:Since the middle of the 20th century，A large number of important works have emerged in the field of ethics around issues related to bet365 sign up offer，A series of fierce confrontations occurred，Constitutes a real modern ideological movement。In the meantime，It has mainly experienced three stages of evolution: from the initial criticism of the legalization tendency of modern moral philosophy、Explain the basic characteristics and significance of the concept of virtue，To appeal to ancient ethical sources such as Aristotelian Ethics、Demonstrate the main connotation and history of the concept of virtue，And then consciously transform or abandon ancient theories、Proactively respond to the requirements and questions raised by modern ethical life、Create a bet365 sign up offer system with modern temperament and characteristics。Therefore，As a modern ideological movement，bet365 sign up offer has its clear boundaries of time and space、Rich theoretical form and complex levels of meaning: it is expressed in a broad sense as a series of discussions around virtue issues，In a narrow sense, it is also expressed as the conscious exploration of the modern bet365 sign up offer system。However，This change not only triggered internal divisions in bet365 sign up offer，We also face the inherent difficulties in constructing modern ethical knowledge。

　Keywords:Virtue bet365 sign up offer Moral Philosophy Ideological Movement

　AuthorLi Yitian，Professor, Tsinghua University Moral Education Research Center (Beijing 100084)。