Throw an encyclopaedia at it, and it will be. There's a humane trap, um, something, for you.
is that what they means by "the pen [or, in this case, word processor] is mightier than the sword?" perhaps they should have said "weightier". or perhaps they did, and someone with dodgy hearing/not paying attention properly was the one recording it.
humane trap, say i. or do what i did, if it's an outdoors invader: find the way it was getting in and block it off.