Isaiah 28:11

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

1 Corinthians 14:21

It is written in the law: With men of other tongues and lips of foreigners I will speak to this people. Even then they will not listen to me, said Jehovah.

Deuteronomy 28:49

Jehovah will bring a nation against you from far away, from the end of the earth, as the eagle swoops down, a nation whose language you will not understand,

Isaiah 33:19

You will see those arrogant people no more, those people of an obscure speech, with their strange, incomprehensible tongue.

Jeremiah 5:15

I am bringing a nation against you from afar, O house of Israel, declares Jehovah. It is an enduring nation. It is an ancient nation, a nation whose language you do not know. You cannot understand (comprehend) (make sense of) 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
Jehovah will bring a nation against you from far away, from the end of the earth, as the eagle swoops down, a nation whose language you will not understand,
Jeremiah 5:15
I am bringing a nation against you from afar, O house of Israel, declares Jehovah. It is an enduring nation. It is an ancient nation, a nation whose language you do not know. You cannot understand (comprehend) (make sense of) what they say.
1 Corinthians 14:21
It is written in the law: With men of other tongues and lips of foreigners I will speak to this people. Even then they will not listen to me, said Jehovah.

General references

Jeremiah 5:4
I thought: These are only the poor and ignorant. They are foolish. They do not know what their God requires, what Jehovah wants them to do.