...from Python's 1975 Monty Python and the Holy Grail, starring John Cleese, Graham Chapman, and Eric Idle (and many others).
Roger the Shrubber:
Oh, what sad times are these when passing ruffians can say Ni at will to old ladies. There is a pestilence upon this land, nothing is sacred. Even those who arrange and design shrubberies are under considerable economic stress in this period in history.