It's not polite to come but not to go
"Come but not go" is a classic sentence in the book of rites. interpretation: it means that you will respond to the actions imposed on you by others. it's not in line with etiquette to show kindness to others. source: qulishang in the book of Rites: "it's not polite to go without coming; it's not polite to come without going."
It's not polite to come but not to go
with hair unshevelled and teeth incomplete - péng tóu lì chǐ
at the death of one 's father or mother - qì xuè jī sǎng
a place where all kinds of people live - wǔ fāng zá cuò
as if one were waking from a dream - rú mèng fāng xǐng