[Nell]

I was curious to know what Witness Lee had to say about the question "Who is Israel"? Though it doesn't answer my question, I did find this:
From Witness Lee's POV as expressed in his Life Study of Romans, #22

“Not, however, as though the word of God has come to naught. For not all are Israel who are out of Israel” (v. 6). In verse 3, Paul prayed out of his desire for his kinsmen to be saved. As he came to verse 6 he spoke of God's economy. In verse 3 he uttered a prayer out of his desperation, even willing to be “a curse, separated from Christ.” In verse 6 he said, “Not all are Israel who are out of Israel.” God's economy is that not all who are out of Israel, that is, all who are born of Israel, are the true Israel. All Jews have been born of Israel, but not all of them have been selected by God. All of them are of the Jewish religion, but not all are saved even though outwardly they have all the good things, including Christ, promised by God in His Holy Word."

Provided under the auspices of the Fair Use Doctrine. You will have to read the rest on your own. However, I haven't found anything that goes beyond these comments. Interestingly, of the 69 messages, Lee doesn't give us the usual scriptural reference at the beginning of the "message"...so digging around for more will take some time. From what I've read so far, Lee doesn't distinguish between/among the scriptural titles in the Bible, i.e., the question "who is Israel"?

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I will also provide this very interesting, unrelated, off-topic, quote from the Romans 59 message:

In the church life we must be general, able to receive all genuine believers. However, it is not easy to learn this lesson, because we all want others to be the same as we are. Let us not make demands of others or require that they change their way for our sake. Rather, let us have unity in variety and variety without conformity. Even though there may be such variety, we still are one in Christ ---Witness Lee.

Nell