Gryffindor: Let's go show the Slytherins what we're made of!
Ravenclaw: We're made of molecules.
Gryffindor: Yeah, yeah, okay. Well, we're gonna show those Slytherins that we're made out of the best ruddy molecules they could ever dream of having!
Ravenclaw: ...you do realize you share 99.9% of your DNA with those guys, right?