— «Keycheck space minus 0. Keychecks off, safety space minus 0». He's turning the safety systems off. Doesn't want anybody to see. Look at this next entry. It's the kicker. «White rabbit object». It did it all. With the keychecks off, the computer didn't file the keystrokes. The way to find them is to check the computer's lines of code one by one.
— How many lines of code are there?
— About two million.

— There was a nuclear war. A few years from now... all this, this whole place, everything... it's gone. Just gone. There were survivors. Here, there. Nobody even knew who started it. It was the machines, Sarah.
— I don't understand.
— Defense network computers. New, powerful... hooked into everything, trusted to run it all. They say it got smart... a new order of intelligence. Then it saw all people as a threat. Not just the ones on the other side. It decided our fate in a microsecond. Extermination.