You create the world of the dream. We bring the subject into tha...
Cobb: You create the world of the dream. We bring the subject into that dream and fill it with their sub-conscious.
Ariadne: How could I aquire enough details to make them think that it is reality?
Cobb: See dreams, they feel real while we're in them right? Its only when we wake up then we realize that something was actually strange!