维也纳不一定忧伤贝多芬不一定悲伤
[wéi yĕ nà bù yī dìng yōu shāng bèi duō fēn bù yī dìng bēi shāng]
It refers to breaking stereotypes by stating Vienna (often linked with music and melancholy) and Beethoven are not necessarily associated with sorrow or sadness. It implies things might be viewed differently than conventionally assumed.