- [On their way to appease a hostage-taker.]
- Yamashita: You're a teacher? What do you teach?
- Makoto Kido: Science.
- Yamashita: Hm. I don't think science isn't going to help us right now.
- [Writing a long, complex formula]
- Makoto Kido: ...and thus, acidic plutonium becomes plutonium metal. Any questions?
- Student: Yeah... so, making atomic bombs is going to be included on the exam?
- Makoto Kido: ...the exam?
- Other Student: Well, if it isn't, could we move on to something else, please? We're the only class still on this!
- [Phoning in a bomb threat]
- Makoto Kido: I'm going to return what I stole -- although I'm going to return in a slightly different form.
- Makoto Kido: When you have an atomic bomb, you can do anything you want. The funny part is ... I have no idea what I want. If you were me -- what would you want?