Name that quote, part 2

OK, David J won the first quote contest, correctly identifying "The path of my life is strewn with cowpats from the devil's own satanic herd" as coming from Edmund Blackadder, in WW1 form I think.

Here's another one for you - no Googling, and answers in the Comments below please:

Feather-footed through the plashy fen passes the questing vole