做个叛逆却安分的少年做个忤逆却平静的菇凉
[zuò gè pàn nì què ān fēn de shăo nián zuò gè wŭ nì què píng jìng de gū liáng]
This refers to maintaining rebellion and tranquility within oneself: being rebellious yet peaceful. Translating literally into 'Be a boy (youth) who is rebellious yet compliant; be a girl who is rebellious yet calm.' It describes people balancing opposing traits while growing up.