Come, let Us go down and there confound (mix up, confuse) their language, that they may not understand one another's speech.
So the Lord scattered them abroad from that place upon the face of the whole earth, and they gave up building the city. Therefore the name of it was called Babel -- "because there the Lord confounded the language of all the earth; and from that place the Lord scattered them abroad upon the face of the whole earth.
From these the coastland peoples spread. [These are the sons of Japheth] in their lands, each with his own language, by their families within their nations.
1 Corinthians 14:10
There are, I suppose, all these many [to us unknown] tongues in the world [somewhere], and none is destitute of [its own power of] expression and meaning.
He sent letters to all the royal provinces, to each in its own script and to every people in their own language, saying that every man should rule in his own house and speak there in the language of his own people. [If he had foreign wives, let them learn his language.]
Then the herald cried aloud, You are commanded, O peoples, nations, and languages,
Then King Darius wrote to all peoples, nations, and languages [in his realm] that dwelt in all the earth: May peace be multiplied to you!
And when this sound was heard, the multitude came together and they were astonished and bewildered, because each one heard them [the apostles] speaking in his own [particular] dialect.
Destroy [their schemes], O Lord, confuse their tongues, for I have seen violence and strife in the city.
1 Corinthians 14:23
Therefore, if the whole church assembles and all of you speak in [unknown] tongues, and the ungifted and uninitiated or unbelievers come in, will they not say that you are demented?