Isaac Asimov was an American sci-fi writer. He was born in 1920 in Russia and he died in the USA in 1992. He wrote a book called I robot. That book inspired the film of Alex Proyas. The chapter 5 is named Liar. This chapter is about a robot “RB-34″,also named Herbie. He can read in human minds. Alfred Lanning, Peter Bogert and Milton Ashe are his designer and Susan Calvin is a robot-psychologist . The robot lies to Susan: he tells her that Milton Ashe love her. After Bogert go speak to the robot and same as Susan Herbie lies to Peter: he says him that Lanning has resigned so Bogert will be the next director. When Ashe says to Calvin that he will get married Susan get angry. She goes to speak with Herbie and she says to the robot that what he said is not true and he tell her he just want to help people. After Bogert and Lanning go speak with the robot and Lanning question the robot:”Have you talked to Dr Bogert about me ?”. After Susan asks him a lot of questions and Herbie become crazy. She asks him a same and last question and the robot dies.