-Michael: My father is no different than any powerful man, any man with power, like a president or senator.
Kay Adams: Do you know how naive you sound, Michael? Presidents and senators don't have men killed.
Michael: Oh. Who's being naive, Kay?
-[Tessio brings in Luca Brasi's bulletproof vest, delivered with a fish inside]
Sonny: What the hell is this?
Clemenza: It's a Sicilian message. It means Luca Brasi sleeps with the fishes.