1Co 14:21 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. This is Paul referring to the law. He quotes from Isaiah. So did Moses write Isaiah?
You should consider the rest of the posts shared with you and the scriptures provided in regards to the Pentateuch which is the context of my posts and also from Isaiah 6:9-10 in regards to 1 Corinthians 14:21. I think you missed it by part quoting me again. The context of my posts was to the Mosiac book of the law written by Moses not the prophets (
Deuteronomy 28:58;
Deuteronomy 30:10;
Deuteronomy 31:24-26 Joshua 23:6;
2 Chronicles 34:14-15 etc etc see
post # 1210). You try and make it now about something I was never talking about. The application of 1 Corinthians "
in the law it is written" is to all the law and the prophets. Perhaps this might help...
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Bengel's Gnomen
1 Corinthians 14:21. Νόμῳ, in the law) comprehending also the prophets.—ἐν ἑτερογλώσσοις καὶ ἐν χείλεσιν ἑτέροις)
Isaiah 28:11, LXX. διὰ φαυλισμὸν χειλέων διὰ γλώσσης ἑτέρας, ἑτερογλώσσοις; masculine or neuter.
The paraphrase accommodating the text of Isaiah to this passage of Paul may be as follows: This people do not hear Me, though I speak to them in the language, to which they have been accustomed; I will therefore speak to them in other tongues, namely, of the enemies that are sent against them; but even then they will not listen to me, comp.
Jeremiah 5:15. Since God is said to speak in the tongues of enemies, the parity of reasoning holds good from them to the gift of tongues.—οὐδʼ οὕτως εἰσακούσονται μου)
Isaiah 28:12, καὶ οὐκ ἠθέλησαν ἀκούειν,
And they would not hear.
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Isaiah 28:7-18
[7], But
they also have erred through wine, and through strong drink are out of the way; the priest and the prophet have erred through strong drink, they are swallowed up of wine, they are out of the way through strong drink; they err in vision, they stumble in judgment.
[8], For all tables are full of vomit and filthiness, so that there is no place clean.
Note: the context is to the priest or pastors and prophets that have erred or are in error through strong drink? Application is to false teachings
[9], Whom shall he teach knowledge? and whom shall he make to understand doctrine? them that are weaned from the milk, and drawn from the breasts.
[10], For precept must be on precept, precept on precept; line on line, line on line; here a little, and there a little:
Note: the context is to those who God teaches knowledge. Application of course is to the truth of His Word.
[11],
For with stammering lips and another tongue will he speak to this people.
[12], To whom he said, This is the rest with which you may cause the weary to rest; and this is the refreshing:
yet they would not hear.
[13], But the word of the LORD was to them precept on precept, precept on precept; line on line, line on line; here a little, and there a little;
that they might go, and fall backward, and be broken, and snared, and taken.
[14],
Why hear the word of the LORD, you scornful men, that rule this people which is in Jerusalem.
[15],
Because you have said, We have made a covenant with death, and with hell are we at agreement; when the overflowing whip shall pass through, it shall not come to us: for we have made lies our refuge, and under falsehood have we hid ourselves:
Note: The warning is to those who reject Gods' Word and make lies there refuge
[16], Therefore thus said the Lord GOD,
Behold, I lay in Zion for a foundation a stone, a tried stone, a precious corner stone, a sure foundation: he that believes shall not make haste.
Note: Jesus the living Word of God is the chief cornerstone you builders rejected *Acts 4:10-12; Psalms 118:22; 1 Peter 2:4-8
[17], Judgment also will I lay to the line, and righteousness to the plummet:
and the hail shall sweep away the refuge of lies, and the waters shall overflow the hiding place.
[18],
And your covenant with death shall be disannulled, and your agreement with hell shall not stand; when the overflowing whip shall pass through, then you shall be trodden down by it.
Note: God will sweep away all lies and false teachings that those who hide in and their covenant with death shall not stand.
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According to the scriptures, if we close our eyes and ears to hearing God's Word and are drunk with false teachings we make a covenant with death. Seeing we see not and hearing we hear not (Isaiah 6:9-10).
Hope this is helpful.