21 In the Law it is written, "By other tongues and other lips I will speak to this people, and even so they will not hear Me, says the Lord."
1 Corinthians 14:21 Cross References - MKJV
Deuteronomy 28:49
49 Jehovah shall bring a nation against you from far, from the end of the earth, as the eagle flies; a nation whose tongue you shall not understand,
Isaiah 28:11-12
Jeremiah 5:15
15 Lo, I will bring a nation on you from afar, O house of Israel, says Jehovah. It is an enduring nation, it is an ancient nation, a nation whose language you do not know, nor understand what they say.
John 10:34
34 Jesus answered them, Is it not written in your Law, "I said, You are gods?"
Romans 3:19
19 But we know that whatever things the Law says, it says to those who are under the Law; so that every mouth may be stopped and all the world may be under judgment before God,