blood... blood... blood...

 [During an argument with an absurdly matriarchal computer personality] Ford slumped against a bulkhead. He started to count to ten. He was desperately worried that one day sentient life forms would forget how to do this. Only by counting could humans demonstrate their independence of computers.

[...]

Ford carried on counting quietly. This is about the most aggressive thing you can do to a computer, the equivalent of going up to a human being and saying Blood... blood... blood... blood...

---Douglas Adams, "Hitchhiker's Guide to the Galaxy"