Isaiah 49:4

In the next v. the speaker meets the words of divine calling and promise with a complaint, which immediately silences itself, however. "And I, I said, I have wearied myself in vain, and thrown away my strength for nothing and to no purpose; yet my right is with Jehovah, and my reward with my God." The Vav with which the v. opens introduces the apparent discrepancy between the calling he had received, and the apparent failure of his work. אכן, however, denotes the conclusion which might be drawn from this, that there was neither reality nor truth in his call. The relation between the clauses is exactly the same as that in Psa 31:23 and Jon 2:5 (where we find אך, which is more rarely used in this adversative sense); compare also Psa 30:7 (but I said), and the psalm of Hezekiah in Isa 38:10 with the antithesis in Psa 38:15. In the midst of his activity no fruit was to be seen, and the thought came upon him, that it was a failure; but this disturbance of his rejoicing in his calling was soon quieted in the confident assurance that his mishpât (i.e., his good right in opposition to all contradiction and resistance) and his "work" (i.e., the result and fruit of the work, which is apparently in vain) are with Jehovah, and laid up with Him until the time when He will vindicate His servant's right, and crown his labour with success. We must not allow ourselves to be led astray by such parallels as Isa 40:10; Isa 62:11. The words are not spoken in a collective capacity any more than in the former part of the verse; the lamentation of Israel as a people, in Isa 40:27, is expressed very differently.

Glorious things had been spoken in the previous chapters concerning the deliverance of the Jews out of Babylon; but lest any should think, when it was accomplished, that it looked much greater and brighter in the prophecy than in the performance, and that the return of about 40,000 Jews in a poor condition out of Babylon to Jerusalem was not an event sufficiently answering to the height and grandeur of the expressions used in the prophecy, he here comes to show that the prophecy had a further intention, and was to have its full accomplishment in a redemption that should as far outdo these expressions as the other seemed to come short of them, even the redemption of the world by Jesus Christ, of whom not only Cyrus, who was God's servant in foretelling it, was a type. In this chapter we have, I. The designation of Christ, under the type of Isaiah, to his office as Mediator (Isa 49:1-3). II. The assurance given him of the success of his undertaking among the Gentiles (Isa 49:4-8). III. The redemption that should be wrought by him, and the progress of that redemption (Isa 49:9-12). IV. The encouragement given hence to the afflicted church (Isa 49:13-17). V. The addition of many to it, and the setting up of a church among the Gentiles (Isa 49:18-23). VI. A ratification of the prophecy of the Jews' release out of Babylon, which was to be the figure and type of all these blessings, (Isa 49:24-26). If this chapter be rightly understood, we shall see ourselves to be more concerned in the prophecies relating to the Jews' deliverance out of Babylon than we thought we were.

49:4 my work seems so useless . . . to no purpose: Even though people stubbornly refuse his message, the servant would reach out to them. • I will trust God: Despite discouragement and suffering, the servant would continue to discharge his duty faithfully, trusting God for the outcome. God promised to reward the servant’s faithfulness (see also 40:10; 50:8).