[At the very least, it works so he doesn't pursue it. Not now, anyway. He's remembering that for later. At the current words thrown out for conversation, he's honestly drawn in by Robin's speech. The subject matter, no matter how he dislikes being uninformed in something, and the beliefs mix together to form something he admires, really, and the smile that's always coming back to his face is more genuine because of it.]

I quite like that idea. While I never knew of molecules, I've always strove to learn what I can about the world. ...But it's what can't be explained that's the most beautiful.

[He really does mean that. What a nerd.] I don't think one can exist without the other.