三纲五常

sān gāng wǔ chángsangangwuchang

1. three principles and five virtues (idiom)
2. the three rules (ruler guides subject, father guides son and husband guides wife) and five constant virtues of Confucianism (benevolence 仁, righteousness 義|义, propriety 禮|礼, wisdom 智 and fidelity 信)

Study it in Yanamino