Denton: Sometimes, all it takes is a voice, one voice, that becomes a hundred, then a thousand... unless it's silenced (Newsies)
Mr. Keating: Carpe, Carpe diem. Seize the day, boys. Make your lives extraordinary. (Dead Poets Society)
And a few from Boys Meets World...
Eric: Mr. F - f - f - feeny! (the feeny call!)
Eric: (singing) "When a crime breaks out, all the cute girls shout, 'Get the good-looking guy.' When there's a crime out there, he's going to comb his hair, cause he's the good-looking guy. (spoken) Book 'em, good-looking!"
Feeny: Mr. Matthews?
Eric: Mr. Squirrels.
Feeny: Eric?
Eric: Plays with.
Cory: That's just what I want - to be Topanga's boyfriend. And then we can name our children Chewbacca and Plankton.
Cory: UNDAPANTS!!!!
Cory: Where are you going?
Topanga: With this outfit and this hair? Hello-buh bye, I am SO at the mall.
and my favorite BMW quote...
Eric: Lose one friend, lose all friends, lose yourself.
