Cross reference
Isaiah 28:11
11 Nay, but by `men of' strange lips and with another tongue will he speak to this people;
1 Corinthians 14:21
21 In the law it is written, By men of strange tongues and by the lips of strangers will I speak unto this people; and not even thus will they hear me, saith the Lord.
Deuteronomy 28:49
49 Jehovah will bring a nation against thee from far, from the end of the earth, as the eagle flieth; a nation whose tongue thou shalt not understand;
Isaiah 33:19
19 Thou shalt not see the fierce people, a people of a deep speech that thou canst not comprehend, of a strange tongue that thou canst not understand.
Jeremiah 5:15
15 Lo, I will bring a nation upon you from far, O house of Israel, saith Jehovah: it is a mighty nation, it is an ancient nation, a nation whose language thou knowest not, neither understandest what they say.