Mr. Mandelbaum: "All aboard the pain train!"
George: "Tippy toe, tippy toe, lemon tree, lemon tree!"
Jerry: "That hook is too small, it's for a muffin or something."
Mr. Bookman
Mr. Steinbrenner: "Just empty calories and male curosity, eh George?"
Elaine: "I don't know how you guys walk around with those things."
George: "Mr. Pensky? Of the Pensky file?"
Mr. Lipman: "It has come to my attention that you sex with the cleaning lady on your desk."
George: "Who told you that?"
Mr. Lipman: "She did."
Mr. Bookman: "Well, let me tell you something, funny boy. Y'know that little stamp,the one that says "New York Public Library"? Well that may not mean anything to you, but that means a lot to me. One whole hell of a lot.
Sure, go ahead, laugh if you want to. I've seen your type before: Flashy, making the scene, flaunting convention. Yeah, I know what you're thinking. What's this guy making such a big stink about old library books? Well, let me give you a hint, junior. Maybe we can live without
libraries, people like you and me. Maybe. Sure, we're too old to change the world, but what about that kid, sitting down, opening a book, right now, in a branch at the local library and finding drawings of pee-pees and wee-wees on the Cat in the Hat and the Five Chinese Brothers? Doesn't HE deserve better? Look. If you think this is about overdue
fines and missing books, you'd better think again. This is about that kid's right to read a book without getting his mind warped! Or: maybe that turns you on, Seinfeld; maybe that's how y'get your kicks. You and your good-time buddies. Well I got a flash for ya, joy-boy: Party time
is over. Y'got seven days, Seinfeld. That is one week!"
Another classic scene: When Jerry and George meet Elaine's tough guy Dad in the hotel lobby.