LOL! Beat me to the post! Love it!
For my money, Michael Palin has the best lines in this scene.
First, when Bedevere asks "'Ow do you know she is a witch?" Palin replies "She looks like one!"
Then, after the newt exchange, Palin yells BURN HER ANYWAY!!
Sometimes, at work, when discussing authority, I say "supreme, executive power comes from a mandate from the masses...not some farcical aquatic ceremony."