 Well, it was written. I didn't read it, read it. I read it after that. I think my dad was on to it. But it was called Psycho-Cybernetics. Okay. And it was how... It was cybernetics. I mean, it was way before we... That became a general term in, you know, among our... in the language. Right. And it basically talked about how the brain worked and how if you think...