I am putting myself to the fullest possible use... which is all, I think, that any conscious entity can ever hope to do.
An epic drama of adventure and exploration.
It can only be attributable to human error.
I'm sorry, Dave. I'm afraid I can't do that.
This conversation can serve no purpose anymore. Goodbye.
I can see you're really upset about this. I honestly think you ought to sit down calmly. Take a stress pill and think things over.
I've got a bad feeling about him.
Open the pod bay doors, HAL.