Edit (21/10/2010): 797 s? Thank you everyone! Glad you like it
... I had to. I made a Spam song stamp, so this had to be done.
Anyhow, any self-respecting Monty Python *must* know this, as it is without a doubt one of the most famous Monty Python sayings.
Knights Who Say Ni are from Monty Python and the Holy Grail, which was made by those geniuses indeed known as Monty Python, so there's no way I own them. Picture was found via google.
(P.S. It's the main Knight Who Says Ni in the background)