Isaiah 28:11

But he will speak to this nation with stammering lips and a strange language;

1 Corinthians 14:21

In the law it is written, "By men of strange languages and by the lips of strangers I will speak to this people. Not even thus will they hear me, says the Lord."

Deuteronomy 28:49

The LORD will bring a nation against you from far, from the end of the earth, as the eagle flies; a nation whose language you shall not understand;

Isaiah 33:19

You will no longer see the fierce people, a people of a deep speech that you can't comprehend, with a strange language that you can't understand.

Jeremiah 5:15

Behold, I will bring a nation on you from far, house of Israel," says the LORD. "It is a mighty nation. It is an ancient nation, a nation whose language you do not know, neither understand what they say.

Treasury of Scripture Knowledge

Summary

For with stammering lips and another tongue will he speak to this people.

General references

Bible References

With

Deuteronomy 28:49
The LORD will bring a nation against you from far, from the end of the earth, as the eagle flies; a nation whose language you shall not understand;
Jeremiah 5:15
Behold, I will bring a nation on you from far, house of Israel," says the LORD. "It is a mighty nation. It is an ancient nation, a nation whose language you do not know, neither understand what they say.
1 Corinthians 14:21
In the law it is written, "By men of strange languages and by the lips of strangers I will speak to this people. Not even thus will they hear me, says the Lord."

General references

Jeremiah 5:4
Then I said, "Surely these are poor. They are foolish; for they do not know the way of the LORD, nor the law of their God.