- Church's caretaker: There are no airtight walls in the world.
- [There are no permanent secrets in the world]
- Han Dong: [posthumous voiceover, as recalled by Luke] Maybe I'm not really worthy of your love. But all these aren't important anymore. I only hope that henceforth when I'm in your thoughts once in a while, what comes to your mind is not my weakness, but our happiness of being together.