What are the allusions to the eight virtues?

One of the eight virtues recognized by traditional Chinese culture

Song dynasty refers to "namely filial piety, brotherly love, loyalty, faith, propriety, righteousness, honesty and shame".

Sun Yat-sen, Cai Yuanpei and others put forward the "loyalty, filial piety, benevolence, love, faith, righteousness, peace and equality" new "eight virtues".

The Eight Virtues of Comic Opera

The Eight Virtues of Comic Opera

are the eight famous masters of comic opera who were active in Beijing and Tianjin in the early 1930s. Ma Delu, Zhou Deshan, Yu Delong, Jiao Dehai, Liu Dezhi, Li Dejiao, Li Dexiang, Zhang Dequan.