Fievel Mousekewitz: I'm looking for my family.
Warren T. Rat: You've come to the right fella, kid. I know exactly where they are. Follow me.
Fievel Mousekewitz: But Henri said I would find them here.
Warren T. Rat: Have it your way, kid. But remember what Shakespeare said, and I quote: "Opportunity knocks but... uh, but...?
Digit: Psst! Once.
Warren T. Rat: "... but-but once. Taken at the tide, t'will lead to fortune. If denied, t'will never return."
Fievel Mousekewitz: Do you really know where my family is?
Warren T. Rat: Heh heh, trust me, kid. Trust me.
Warren T. Rat: You've come to the right fella, kid. I know exactly where they are. Follow me.
Fievel Mousekewitz: But Henri said I would find them here.
Warren T. Rat: Have it your way, kid. But remember what Shakespeare said, and I quote: "Opportunity knocks but... uh, but...?
Digit: Psst! Once.
Warren T. Rat: "... but-but once. Taken at the tide, t'will lead to fortune. If denied, t'will never return."
Fievel Mousekewitz: Do you really know where my family is?
Warren T. Rat: Heh heh, trust me, kid. Trust me.
Fievel Mousekewitz : I'm looking for my family.
Warren T. Rat : You've come to the right fella, kid. I know exactly where they are. Follow me.
Fievel Mousekewitz : But Henri said I would find them here.
Warren T. Rat : Have it your way, kid. But remember what Shakespeare said, and I quote: "Opportunity knocks but... uh, but...?
Digit : Psst! Once.
Warren T. Rat : "... but-but once. Taken at the tide, t'will lead to fortune. If denied, t'will never return."
Fievel Mousekewitz : Do you really know where my family is?
Warren T. Rat : Heh heh, trust me, kid. Trust me.
http://www.moviequotedb.com/movies/an-american-tail/quote_33226.html