- Fujiko Mine: [about the ruby] If diamonds are a girl's best friend, well then something that rare's got to be more like a lover.
- Arsène Lupin III: I don't suppose there was anything in that local legend about a secret ski lift to the top of this thing, was there?
- Daisuke Jigen: There's got to be something we haven't thought of. I mean, it's not impossible. Whoever pinched that ruby figured it out.
- Arsène Lupin III: Sure, that's great, rub it in! Not only is it a personal failure, it's also a professional humiliation!
- Arsène Lupin III: [annoyed] Hey, Jigen. Nice of you to show up, man. I mean, come on in. Pull up a chair. Have a smoke. Don't mind Fujiko; she's just dying over here, but don't let that harsh your buzz! You don't even care, do you? You've been suckin' on the world's fattest doobie somewhere while we've been...
- Inspector Kouichi Zenigata: Hey, that looked like them! Naw, it can't be. My brain's just rattled from this damn donkey ride. I mean, lots of people go hanggliding into remote drug cult temples all the time and then... D'OH! IT IS HIM!
- Goemon Ishikawa XIII: A dark intent resides within its luminous form. You must forsake its materiality or be consumed by its quintessence.
- Fujiko Mine: You wanna run that one by me again, Goemon?
- Goemon Ishikawa XIII: No, not really.
- Inspector Kouichi Zenigata: [hypnotised by the ruby] My darling, you're so smooth and silky and stuff. Even smoother than mommy, and don't tell her, but I think you even smell a little better. It'll be our little secret...
- Goemon Ishikawa XIII: When a fever like that proves impervious to every stratagem of Western medicine, it's time for a little Jiryu-toh.
- Arsène Lupin III: What the hell is Jiryu-toh?
- Goemon Ishikawa XIII: It's a broth of pregnant earthworms.
- [Lupin gags]
- Arsène Lupin III: Oh man, you gotta be kidding me.
- Arsène Lupin III: Slow down, Inspector. You know I'm not a killer. I walked in on Heath two seconds before you did. He was like this when I got here.
- Inspector Kouichi Zenigata: [musing on Fujiko's marriage] Always kinda hoped she'd come around and see the light. I dunno. Guess the guy's gotta be some kind of billionaire bad boy these days.