{2} Which is a manifest token of the righteous judgment of God, that ye may be counted worthy of the kingdom of God, for which ye also suffer:

(2) He shows the source of all true comfort, that is, that in afflictions which we suffer from the wicked for righteousness' sake, we may behold as it were in a mirror the testimony of that judgment to come, the end of which is most acceptable to us, and most severe to his enemies.

People's New Testament

1:5 A manifest token of the righteous judgment of God. Your sufferings are a proof of judgment to come. The wicked are not receiving their deserts; the righteous are suffering. A future judgment, hence, must come, because God is righteous.

That ye may be counted worthy of the kingdom of God, for which also ye suffer. Their sufferings not only proved a judgment to come, but tried them, purified them, and prove them worthy.

Wesley's Notes

1:5 A manifest token - This is treated of in the sixth 2Th 1:6 and following verse s.

Jamieson-Fausset-Brown Bible Commentary

5. Which-Your enduring these tribulations is a "token of the righteous judgment of God," manifested in your being enabled to endure them, and in your adversaries thereby filling up the measure of their guilt. The judgment is even now begun, but its consummation will be at the Lord's coming. David (Ps 73:1-14) and Jeremiah (Jer 12:1-4) were perplexed at the wicked prospering and the godly suffering. But Paul, by the light of the New Testament, makes this fact a matter of consolation. It is a proof (so the Greek) of the future judgment, which will set to rights the anomalies of the present state, by rewarding the now suffering saint, and by punishing the persecutor. And even now "the Judge of all the earth does right" (Ge 18:25); for the godly are in themselves sinful and need chastisement to amend them. What they suffer unjustly at the hands of cruel men they suffer justly at the hands of God; and they have their evil things here that they may escape condemnation with the world and have their good things hereafter (Lu 16:25; 1Co 11:32) [Edmunds].

that ye may be counted worthy-expressing the purpose of God's "righteous judgment" as regards you.

for which-Greek, "in behalf of which ye are also suffering" (compare Ac 5:41; 9:16; Php 1:29). "Worthy" implies that, though men are justified by faith, they shall be judged "according to their works" (Re 20:12; compare 1Th 2:12; 1Pe 1:6, 7; Re 20:4). The "also" implies the connection between the suffering for the kingdom and being counted worthy of it. Compare Ro 8:17, 18.

Matthew Henry's Concise Commentary

1:5-10 Religion, if worth anything, is worth every thing; and those have no religion, or none worth having, or know not how to value it, cannot find their hearts to suffer for it. We cannot by all our sufferings, any more than by our services, merit heaven; but by our patience under sufferings, we are prepared for the promised joy. Nothing more strongly marks a man for eternal ruin, than a spirit of persecution and enmity to the name and people of God. God will trouble those that trouble his people. And there is a rest for the people of God; a rest from sin and sorrow. The certainty of future recompence is proved by the righteousness of God. The thoughts of this should be terrible to wicked men, and support the righteous. Faith, looking to the great day, is enabled partly to understand the book of providence, which appears confused to unbelievers. The Lord Jesus will in that day appear from heaven. He will come in the glory and power of the upper world. His light will be piercing, and his power consuming, to all who in that day shall be found as chaff. This appearance will be terrible to those that know not God, especially to those who rebel against revelation, and obey not the gospel of our Lord Jesus Christ. This is the great crime of multitudes, the gospel is revealed, and they will not believe it; or if they pretend to believe, they will not obey it. Believing the truths of the gospel, is in order to our obeying the precepts of the gospel. Though sinners may be long spared, they will be punished at last. They did sin's work, and must receive sin's wages. Here God punishes sinners by creatures as instruments; but then, it will be destruction from the Almighty; and who knows the power of his anger? It will be a joyful day to some, to the saints, to those who believe and obey the gospel. In that bright and blessed day, Christ Jesus will be glorified and admired by his saints. And Christ will be glorified and admired in them. His grace and power will be shown, when it shall appear what he has purchased for, and wrought in, and bestowed upon those who believe in him. Lord, if the glory put upon thy saints shall be thus admired, how much more shalt thou be admired, as the Bestower of that glory! The glory of thy justice in the damnation of the wicked will be admired, but not as the glory of thy mercy in the salvation of believers. How will this strike the adoring angels with holy admiration, and transport thy admiring saints with eternal rapture! The meanest believer shall enjoy more than the most enlarged heart can imagine while we are here; Christ will be admired in all those that believe, the meanest believer not excepted.