People won’t know where the message comes from, they’ll just hear your voice as though you were standing next to them. Everyone hears it at the same time. The message is not translated into anyone’s native language, everyone hears it exactly as you say it. The maximum length is 6 of your breaths.
"This is God. Quit it with the killing each other and ruining the environment I made for you.
Don’t make me come down there."
Mormons: See! God speaks English! It means only our book is correct!