最深情的告白莫过于陪伴最坚固的爱情莫过于信任
[zuì shēn qíng de gào bái mò guò yú péi bàn zuì jiān gù de ài qíng mò guò yú xìn rèn]
Translating roughly to 'the deepest confession is nothing more than companionship, and the most solid love is built on nothing more than trust', emphasizing emotional depth conveyed through action over words and highlights that enduring romance is maintained when two lovers genuinely believe each other.