Exposition of the Old and New Testament, by John Gill, [1746-63], at sacred-texts.com
This epistle is called "general", because not written to any particular person, as the epistles to Timothy, Titus, and Philemon are; nor to any particular churches, as the epistles to the Romans, Corinthians, &c. but to the believing Jews in general, wherever they were. The author of it is James; and whereas there were two of this name, who were the apostles of Christ; some have thought it was written by one, and some by another: some think it was written by James the son of Zebedee, and brother of John, which is favoured by the Syriac version, which to this epistle, and the following, premises these words;
"the three epistles of the three apostles, before whose eyes our Lord transfigured himself, that is, James, and Peter, and John.''
Now, that James, who was present at the transfiguration of Christ, was James the son of Zebedee: but neither the time, nor occasion, nor matter of this epistle, seem to agree with him, for he was put to death by Herod, about the year 44, Act 12:1, whereas this epistle was written, as some think, about the year 60, or as others, 63; and it seems pretty manifest that it must be written after the Gospel had been spread in the Gentile world, and was received by the Jews, who were scattered abroad in it; and after many hypocrites had crept into the churches, and many false teachers, and vain boasters, and wicked men, had arisen among them: it seems therefore more agreeable to ascribe this epistle to James, the son of Alphaeus, sometimes called the brother of our Lord, and who was present at the assembly at Jerusalem, when the necessity of the Gentiles' circumcision was debated, Act 15:1 and is the same whom Eusebius (a) calls James the just, and Oblias; and who seems to have resided at Jerusalem, and to have been the bishop, or overseer of the church there; and therefore in character writes this epistle to the Jews, in the several parts of the world: nor need there be any doubt of the authenticity of it. Eusebius indeed says (b), that it had been accounted spurious by some, and that not many of the ancient writers had made mention of it: but he himself says, that it was publicly read in most churches; and certain it is, that some very early writers have respect unto it. Irenaeus (c) manifestly refers to it, and so does Tertullian (d); and it is expressly mentioned by Origen (e) among the canonical books of Scripture. The objections against it are of no weight, which are taken from the seeming disagreement between the Apostle Paul, and the writer of this epistle, concerning the doctrine of justification; and from his calling the law the perfect law of liberty, and insisting so much on the doctrine of works; all which will be seen to be agreeable to the other parts of Scripture, and easily reconciled with them; nor is there anything in it unworthy of an apostle and an inspired writer. The occasion of it seems to be partly the troubles and persecutions which attended the saints for the sake of Christ and the Gospel; and the design of it is to encourage them to patience under them, and to wait and hope for the speedy coming of Christ; and partly the evil practices of some that boasted of their faith and knowledge, though they lived very dissolute lives: and the view of the apostle is to show, that faith, without the fruits of righteousness, is not genuine; and he very largely in it exhorts to several duties very becoming Christians, and inveighs against several vices, which were scandalous to them.
(a) Eccles. Hist. l. 2. c. 23. (b) Ib. & l. 3. c. 25. (c) Adv. Haeres. l. 5. c. 1. (d) Adv. Judaeos, c. 2. (e) Homil. 7. in Josuam, fol. 156. E.