Ilsa: A franc for your thoughts.
Rick: In America they'd bring only a penny, and, huh, I guess that's about all they're worth.
Ilsa: Well, I'm willing to be overcharged. Tell me.
Rick: Well, I was wondering...
Rick: Why I'm so lucky. Why I should find you waiting for me to come along.
Ilsa: Why there is no other man in my life?
Ilsa: That's easy. There was. He's dead.
Rick thinks back to his love affair with Ilsa in Paris.