7 Bible Verses about Unknown Languages

When Israel went forth from Egypt,
The house of Jacob from a people of strange language,

“The Lord will bring a nation against you from afar, from the end of the earth, as the eagle swoops down, a nation whose language you shall not understand,

“Behold, I am bringing a nation against you from afar, O house of Israel,” declares the Lord.
“It is an enduring nation,
It is an ancient nation,
A nation whose language you do not know,
Nor can you understand what they say.

Indeed, He will speak to this people
Through stammering lips and a foreign tongue,

In the Law it is written, “By men of strange tongues and by the lips of strangers I will speak to this people, and even so they will not listen to Me,” says the Lord.

You will no longer see a fierce people,
A people of unintelligible speech which no one comprehends,
Of a stammering tongue which no one understands.

For you are not being sent to a people of unintelligible speech or difficult language, but to the house of Israel, nor to many peoples of unintelligible speech or difficult language, whose words you cannot understand. But I have sent you to them who should listen to you;