十年之约不忘初心十年之后不见不散
[shí nián zhī yuē bù wàng chū xīn shí nián zhī hòu bù jiàn bù sàn]
Translating into 'A ten-year agreement staying true to initial intent meeting up after a decade regardless,' it symbolizes loyalty, enduring commitment over long periods, and the determination never to lose sight of original intentions.