Ah, when we do it, it is brave and courageous - when they do it, it is dastardly and underhand.
So you see, Blackadder, Field Marshall Haig is most anxious to eliminate all these German spies.
Filthy hun weasels, fighting their dirty underhand war!
And fortunately, one of our spies...
Splendid fellows, brave heroes risking life and limb for Blighty!