儿子立正消息跟爹混女儿立正消息跟娘走
[ér zi lì zhèng xiāo xī gēn diē hùn nǚ ér lì zhèng xiāo xī gēn niáng zŏu]
It literally means 'Son stands at attention when hearing news from dad; daughter does likewise when receiving updates from mom.' It depicts traditional family hierarchy and values where children follow messages from their parents according to their genders and lineage, showing obedience towards parental guidance.