Language is a tool like any other human technology. Its purpose is to help us communicate between each other. Divinity or your Higher Self do not neccesarily speak or communicate in a specific tongue.
However, depending on the context, it can be argued that some words carry special powers, just like symbols of power. If you are working within a specific sacred system (such as using Hebrew words, Latin, Sanskrit, etc.) then you may want to use the right words as to avoid the loss of that inherent power in the translation.