世界以痛吻我要我回报以歌
[shì jiè yĭ tòng wĕn wŏ yào wŏ huí bào yĭ gē]
An optimistic yet sorrowful sentiment borrowed from famous literature, indicating the world offers pain ('kisses with pain'), but the person chooses to respond positively by singing, showing resilience and positivity in facing adversities.