I, Robot Quotes

Susan Calvin: I don't understand. Alfred wrote the Three Laws. Why would he build a robot that could break them?
Detective Del Spooner: Hansel and Gretel.
Susan Calvin: What?
Detective Del Spooner: Two kids, lost in the forest. Leave behind a trail of bread crumbs.
Susan Calvin: Why?
Detective Del Spooner: To find their way home. How the hell did you grow up without reading Hansel and Gretel?
Susan Calvin: Is that really relevant?
Detective Del Spooner: Everything I'm trying to say to you is about Hansel and Gretel. You didn't read it, I'm talking to the wall.
Susan Calvin: Okay. Okay.
Detective Del Spooner: All right, look, just say Lanning was locked down so tight he couldn't get out a message. All he could do was leave me clues, like a trail of bread crumbs.
Susan Calvin: Bread crumbs equals clues. Odd but fine. Clues leading where?
Detective Del Spooner: I don't know, but I think I know where he left the next one. I think Lanning gave Sonny a way to keep secrets. I think the old man gave Sonny dreams.

Movie: I, Robot