Quotes: Doomsday Device

Professor Farnsworth: Doomsday device? Ah, now the ball's in Farnsworth's court!
[Presses a button, revealing his arsenal of doomsday weapons.]
Professor Farnsworth: I suppose I could part with one and still be feared...
Futurama, "Time Keeps on Slippin'"

Of course, the whole point of a Doomsday Machine is lost, if you keep it a secret!
—Dr. Strangelove, Dr. Strangelove