[Epstein gives Kotter a note from the principal saying that he was in conference with him]
What are you trying to do to me, Epstein? I know the man's handwriting. This note is legitimate!
Well, in baseball, it's called a change-up, you know? Keeps the hitter guessin'!
A fine young lady like you doesn't belong with Sweathogs.
JJenny
Oh, yeah? In your horn with an ear of corn!
Epstein, wait! You can't go to Nebraska! They won't let you past Philadelphia without a passport!
These quotes come from Wikiquote's Welcome Back, Kotter pages and are available under the Creative Commons Attribution-ShareAlike License.