爱到最美是陪伴爱到深爱是白首
[ài dào zuì mĕi shì péi bàn ài dào shēn ài shì bái shŏu]
The Most Beautiful Love Is Accompanying; Deeper Love Is Till Death Do Us Part: Expresses that the ultimate expression of love is the constant presence beside the other, and deeper love is to be with each other until old age.