[Avodah] Leshon haKodesh

[Amitai Halevi]

From: "Micha Berger" <micha at aishdas.org>
> Abe is agreeing with the Rambam, who gives this phenomenon as the reason
> why Hebrew is Leshon haQodesh....

Where does Rambam say this? I wonder how he gets around Megillah 25b,
where it is explicitly stated that "qri" renders objectionable terms in
"ktiv" acceptable for reading in public.

Amitai Halevi (not Halivni)