1 Corinthians 14:21

In the law, it is written - With strange tongues, and with lips of strangers, will I speak unto this people; and, not even so, will they hearken unto me, - saith the Lord.

John 10:34

Jesus answered them - Is it not written in your law: I, said, Ye are, gods?

Isaiah 28:11-12

For, with a jabbering lip, and with an alien tongue, must he speak unto this people!

Deuteronomy 28:49

Yahweh will bring against thee a nation from afar, from the end of the earth, as darteth a bird of prey, - a nation whose tongue thou canst not understand;

Jeremiah 5:15

Behold me! bringing upon you a nation from afar, O house of Israel, Declareth Yahweh, - A nation invincible, it is, A nation from age-past times, hath it been, A nation whose tongue thou shalt not know, Neither shalt thou understand what it speaketh:

Romans 3:19

Now we know that, whatsoever things the law saith, to them who are within the law, it speaketh, in order that, every mouth, may be stopped and all the world come, under penal sentence, unto 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 - Is it not written in your law: I, said, Ye are, gods?
Romans 3:19
Now we know that, whatsoever things the law saith, to them who are within the law, it speaketh, in order that, every mouth, may be stopped and all the world come, under penal sentence, unto God.

With

Deuteronomy 28:49
Yahweh will bring against thee a nation from afar, from the end of the earth, as darteth a bird of prey, - a nation whose tongue thou canst not understand;
Isaiah 28:11
For, with a jabbering lip, and with an alien tongue, must he speak unto this people!
Jeremiah 5:15
Behold me! bringing upon you a nation from afar, O house of Israel, Declareth Yahweh, - A nation invincible, it is, A nation from age-past times, hath it been, A nation whose tongue thou shalt not know, Neither shalt thou understand what it speaketh: