3 Bible Verses about Languages Confused

There are, it may be, as many kinds of voices in the world as people, and none of them insignificant.

And when this rumor was spread, the multitude came together and were astonished; for every one heard them speaking in his own language.

If then the whole church be come together and all speak in unknown tongues, and there come in illiterate persons, or infidels, will they not say that ye are mad?