- Young Ye Wenjie: Things change.
- Young MIke Evans: Nothing has changed with me. I'm the same man you met in Shaanxi. I could've spent the rest of my life in that hut, trying to save a subspecies of the northwestern brown swallow, or I could use the resources available to me to do more.
- [in Mandarin]
- Young MIke Evans: In order to fight power, sometimes you have to embrace power.
- Jin Cheng: I don't know how to fight aliens.
- Auggie Salazar: Neither do I, but guess what? The people that work for them... aren't aliens. And I've been fighting people my whole life. So have you.
- Jin Cheng: When you say "they," who are you really talking about? Do you think they're in contact with aliens?
- Thomas Wade: You don't need to believe in Santa Claus to believe people give gifts on Christmas.
- Jin Cheng: Do you believe in Santa Claus?
- Thomas Wade: You have a choice, Doctor Cheng. You can go home, mourn your friend, spend the rest of your life wishing you'd acted differently the night he died, or you can help us catch the cunts who murdered him.