1 Corinthians 14:21

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.

John 10:34

Jesus answered them, “Has it not been written in your Law, ‘I said, you are gods’?

Isaiah 28:11-12

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

Deuteronomy 28:49

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,

Jeremiah 5:15

“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.

Romans 3:19

Now we know that whatever the Law says, it speaks to those who are under the Law, so that every mouth may be closed and all the world may become accountable to God;

Treasury of Scripture Knowledge

Summary

In the law it is written, With men of other tongues and other lips will I speak unto this people; and yet for all that will they not hear me, saith the Lord.

Bible References

The law

John 10:34
Jesus answered them, “Has it not been written in your Law, ‘I said, you are gods’?
Romans 3:19
Now we know that whatever the Law says, it speaks to those who are under the Law, so that every mouth may be closed and all the world may become accountable to God;

With

Deuteronomy 28:49
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,
Isaiah 28:11
Indeed, He will speak to this people
Through stammering lips and a foreign tongue,
Jeremiah 5:15
“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.