日光倾城也未必温暖月光倾泻也未必凄凉
[rì guāng qīng chéng yĕ wèi bì wēn nuăn yuè guāng qīng xiè yĕ wèi bì qī liáng]
It means 'sunshine fills the city but may not bring warmth; moonlight showers but doesn't necessarily cause sadness.' It conveys a sense of detachment and independence, where external factors don't dictate inner feelings.