你非我良人怎知我情深用情未至深怎知非良人
[nĭ fēi wŏ liáng rén zĕn zhī wŏ qíng shēn yòng qíng wèi zhì shēn zĕn zhī fēi liáng rén]
If you aren't the person meant for me, how could you understand the depth of my love? And if your feelings weren't sincere, then how could you know if someone else was right for you? It explores themes of mutual understanding and destiny in romantic contexts.