Doctor: It appears to be some kind of anti-matter weapon, able to completely consume solid matter within minutes.
Fried: And what does my daughter, Tierney, possibly want with it?
Doctor: I couldn't say.
Fried: Well, who could have created such a thing?
Doctor: I couldn't say.
Fried: You know absolutely nothing. Why on earth do I even keep you in my employ?
Doctor: I... couldn't say?