A: Library cop Bookman to Jerry

Q: Let's go with an easier one: "All right! But hear me and hear me well - The day will come. Oh yes, mark my words, Seinfeld - your day of reckoning is coming. When an evil wind will blow through your little playworld, and wipe that smug smile off your face. And I'll be there, in all my glory, watching - watching as it all comes crumbling down."