Asil left Bran alone with his thoughts then, because if he stayed, Bran would argue with him. This way, Bran would have no one to argue with but himself. And Asil had always credited Bran with the ability to be persuasive.
A linear projection into the future of any science or technology is like a form of propaganda &emdash; often persuasive, almost always wrong.
The greatest communicators have unknowingly used a story pattern. They not only use anecdotes effectively, but their communication followed a persuasive story pattern of tension and release. That tension and release is created by contrasting [what is] with what could be as a structural device.
