3 Bible Verses about Languages Confused

There are perhaps as many kinds of voices in the world, and no one is without significance;

and when this sound was [heard], the multitude came together and were astonished, for they each one heard them speaking in his own language.

If, therefore, the whole church comes together, and all speak with tongues, and there come in the unlearned and unbelieving, will they not say that you are mad?