金科玉律 (jīn kē yù lǜ) | Meaning: golden rule | Chinese Idiom with Pinyin & Origin

outmoded rules, regulations and conventions · taboos and commandments · restrictions and fetters清规戒律qīng guī jiè lǜ

precious words · oracular words金口玉言jīn kǒu yù yán

solid; unbreakable · (fig.) irrefutable; incontrovertible; indisputable颠扑不破diān pū bù pò

model; example (for people to follow); (in reference to a person) role model榜样bǎng yàng

golden rule · key principle