--- lance_mcclure wrote:
>
> Any idea what "language is power" would be in Icelandic or Old
Icelandic?


Don't think I have heard this expressed as a
slogan in the language. Phrases of this kind
tend to be alliterative, so I guess you could
just say:

Mál er máttur (modern)
Mál er máttr (old)

Cheers,
E.