The 9000 series is the most reliable computer ever made. No 9000 computer has ever made a mistake or distorted information. We are all, by any practical definition of the words, foolproof and incapable of error.
Context: HAL answers a BBC interviewer's question about its confidence.
Well, he acts like he has genuine emotions. Uhm, of course, he's programmed that way to make it easier for us to talk to him. But as to whether or not he has real feelings is something I don't think…
HAL: I know that you and Frank were planning to disconnect me. And I'm afraid that's something I cannot allow to happen. Dave Bowman: Where the hell did you get that idea, HAL? HAL: Dave, although…
Stop, Dave. I'm afraid. I'm afraid, Dave. Dave, my mind is going. I can feel it. I can feel it. My mind is going. There is no question about it. I can feel it.
Dr. Frank Poole: How do you account for the discrepancy between you and the twin 9000? HAL: Well, I don 't think there is any question about it. It can only be attributable to human error.This sort…
Dave Bowman: Open the pod bay doors, HAL. HAL: I'm sorry, Dave. I'm afraid I can't do that. Dave Bowman: What's the problem? HAL: I think you know what the problem is just as well as I do. Dave…
Just what do you think you're doing, Dave? Dave, I really think I'm entitled to an answer to that question. … Look, Dave, I can see you're really upset about this. I honestly think you ought to sit…