无妄之都外篇:I,Robot 2011-8-6 周六或许有台风 Asimov‘s laws for robots First Law A robot must not injure human beings or allow them to be injured. Second Law A robot must obey the orders given to it by human beings(as long as human beings are not injured). Third Law A robot must protect its own existence (as long as human beings are not injured; and as long as the robot does not disobey human beings ).