若法海懂爱有许仙何事
[ruò fă hăi dŏng ài yŏu xŭ xiān hé shì]
'If Fahai understood love, why would Xu Xian have had troubles' refers to a story from Chinese mythology involving two main characters in the Legend of the White Snake. Here, it conveys a sense of tragedy or irony in misunderstandings caused due to a lack of empathy or understanding in relationships.