Or was he still preaching the Gospel of the Kingdom, which included the Law?
James 2:20-21
20 But do you want to know, O foolish man, that faith without works is dead?
21 Was not Abraham our father justified by works when he offered Isaac his son on the altar?
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No, he was not!!!!!!! ---- He was accounted righteous before God several years earlier, BEFORE the birth of Isaac, and before he had done anything to "prove" his faith in God.ÂÂ
Gen 15:4-6
4 And behold, the word of the LORD came to him, saying, "This one shall not be your heir, but one who will come from your own body shall be your heir."
5 Then He brought him outside and said, "Look now toward heaven, and count the stars if you are able to number them." And He said to him, "So shall your descendants be."
6 And he believed in the LORD, and He accounted it to him for righteousness.
(NKJ)
Not only that, but God accounted him righteous solely for his faith in His Promises, and not by anything that He did. Paul accurately reports this. It seems that James, in order to mix salvation by works and faith, did not consider this fact in the scriptures. It was not until Genesis 22, many years after Isaac was born, when Abraham was well over 100 years old, that he agreed to offer Isaac.
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James writes:
22 You see that his faith and his actions were working together, and his faith was made complete by what he did.
23 And the scripture was fulfilled that says, "Abraham believed God, and it was credited to him as righteousness," and he was called God's friend.
Neither of those last two statements jives with the Genesis 15:4-6 account. Nowhere does the OT Scripture say that Abraham "was called God's friend" because he was willing to offer Isaac. As a matter of fact I cannot find a statement in the O.T. that says Abraham was called a friend of God.
Based upon faulty premises, one is bound to come to a faulty conclusion:
24 You see that a person is justified by what he does and not by faith alone.
Which is, as shown above, a direct contradiction of the Gospel that Paul taught and the account given in the scriptures.
In my opinion the book of James is devoid of the gospel of grace as taught by Paul. Here are some facts that support my opinion. I find them interesting.
MY COMMENTS: I think James was right, because "faith" is really "belief in action." You quoted 2:22 which, I see, completes the picture: Abraham believed God and when tested, his obedience completed (perfected) his faith. In the next verse, James writes, "Abraham believed God, and it was credited to him as righteousness." Thus, works without faith is empty.
When Abram was declared "righteous", which, to me, means he did was was "right:" he believed God who declared, while he was maybe 85 years old, that he would have a son from his own body, and that his offspring would be as uncountable as the stars above (As you quoted).
This was before he was told that it would be through Sarai.
Later, when Abram was 99+ years old, the LORD and two angels appeared as men unto Abram, and there it was reiterated that he would be the father of many nations; and his name was changed to Abraham, and "Sarai" was changed to "Sarah."
Later, when Abraham was tested by the LORD to sacrifice Isaac, Abraham obeyed, for he had faith that he himself would be the father of many nations, and thus believed that though he slay Isaac, God would raise him from the dead. And the final promise was, "And in thy seed shall all the nations of the earth be blessed; because thou hast obeyed my voice" (Gen. 22:1-18, KJV).
And of course, we know that this "seed" is Christ Jesus.
So, his obedience ("works") followed his unswerving faith, and he did what was right, in the eyes of the Lord.
Isn't it possible that our faith can be tested by the Lord, just as Abraham's was?
And how many times was the Apostle Paul's faith tested?
Many quotes of the OT in the NT are not exact. But, look at this passage, which I'm sure James knew:
"But thou Israel, my servant whom I have chosen, the seed of Abraham my friend." Isaiah 41:8, KJV.
Your opening question about James: "Or was he still preaching the Gospel of the Kingdom, which included the Law?", needs answering.
From my studies, I believe Jame's hope was the Messianic Kingdom to come on earth, and he, like Peter, preached the good news of that Kingdom.
For those that disagree, this can be another thread.
To conclude: since no one is saved apart from the grace of God, whether to be in the Kingdom on earth as a believing Jew or proselyte, or to be in the Body of Christ, it is thus, "by grace through faith".