I love the Seinfeld show, but still I've never got around to finding any good websites about it. On Seinfeld Quotes they've made a nice and comprehensive list of quotes. In the rush of things I couldn't find my favorite but now I've got the quotes site bookmarked so there is hope.
"The woman had an orgasm under false pretenses. That's sexual perjury!" - Jerry, in "The Mango"