best one-liners by an actor

[blackfoot]

How did we miss these gems?

Don’t ask me about my business, Kay.

I’ll make him an offer he can’t refuse.

This isn’t personal, Kay. This is business.

-Al Pacino as Michael Corleone in The Godfather

Another favourite of mine:

You ever dance with the devil in the pale moonlight?

-Jack Nicholson as the Joke in Batman