时光会变初心不变人心易变唯我不变
[shí guāng huì biàn chū xīn bù biàn rén xīn yì biàn wéi wŏ bù biàn]
The passage of time can change many things; initial intentions remain unchanged. The world and people may become unpredictable, but I remain constant and true to my original self. It suggests steadfastness and loyalty in the face of changes.