To quote Dyson from the same video: > “An expert thinks he knows it all but he's also rather inhibited by his experience, his knowledge. He finds it difficult

To quote Dyson from the same video: > “An expert thinks he knows it all but he's also rather inhibited by his experience, his knowledge. He finds it difficult to steer off the well-known path.” One of Dyson’s well-known paths might be wielding patent laws against competitors.