They Shall Not Pass!

[Aiwendil]

Originally Posted by Morthoron

I don't believe Gandalf would utter anything other than "You shall not pass!" It is formal, and it is almost biblical in intonation (THOU SHALT NOT!).

Would the inconvenient fact that what he actually said was "You cannot pass" get in the way of this belief?

You do have a point about the oddity of speaking Westron to the Balrog. But for some reason I have the feeling that a creature like the Balrog would have understood Gandalf's words, no matter what language he used.