Laszlo: This is a very interesting cafe. I congratulate you.
Rick: And I congratulate you.
Laszlo: What for?
Rick: Your work.
Laszlo: Thank you. I try.
Rick: We all try. You succeed.
Rick: And I congratulate you.
Laszlo: What for?
Rick: Your work.
Laszlo: Thank you. I try.
Rick: We all try. You succeed.
Laszlo : This is a very interesting cafe. I congratulate you.
Rick : And I congratulate you.
Laszlo : What for?
Rick : Your work.
Laszlo : Thank you. I try.
Rick : We all try. You succeed.
http://www.moviequotedb.com/movies/casablanca/quote_28347.html