Cross reference
Isaiah 28:11
11 No, but by [men of] strange lips and with another language will he speak to this people;
1 Corinthians 14:21
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
49 Yahweh 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
19 You shall not see the fierce people, a people of a deep speech that you can not comprehend, of a strange language that you can not understand.
Jeremiah 5:15
15 Behold, I will bring a nation on you from far, house of Israel, says Yahweh: it is a mighty nation, it is an ancient nation, a nation whose language you don't know, neither understand what they say.