Not only so, etc. That no one might scoffingly object and say, that Christians, with all their glorying, are yet strangely harassed and distressed in this life, which condition is far from being a happy one, -- he meets this objection, and declares, not only that the godly are prevented by these calamities from being blessed, but also that their glorying is thereby promoted. To prove this he takes his argument from the effects, and adopts a remarkable gradation, and at last concludes, that all the sorrows we endure contribute to our salvation and final good. By saying that the saints glory in tribulations, he is not to be understood, as though they dreaded not, nor avoided adversities, or were not distressed with their bitterness when they happened, (for there is no patience when there is no feeling of bitterness;) but as in their grief and sorrow they are not without great consolation, because they regard that whatever they bear is dispensed to them for good by the hand of a most indulgent Father, they are justly said to glory: for whenever salvation is promoted, there is not wanting a reason for glorying. We are then taught here what is the design of our tribulations, if indeed we would prove ourselves to be the children of God. They ought to habituate us to patience; and if they do not answer this end, the work of the Lord is rendered void and of none effect through our corruption: for how does he prove that adversities do not hinder the glorying of the faithful, except that by their patience in enduring them, they feel the help of God, which nourishes and confirms their hope? They then who do not learn patience, do not, it is certain, make good progress. Nor is it any objection, that there are recorded in Scripture some complaints full of despondency, which the saints had made: for the Lord sometimes so depresses and straitens for a time his people, that they can hardly breathe, and can hardly remember any source of consolation; but in a moment he brings to life those whom he had nearly sunk in the darkness of death. So that what Paul says is always accomplished in them -- "We are in every way oppressed, but not made anxious; we are in danger, but we are not in despair; we suffer persecution, but we are not forsaken; we are cast down but we are not destroyed." (2-Corinthians 4:8.) Tribulation produces (efficiat) patience, etc. This is not the natural effect of tribulation; for we see that a great portion of mankind are thereby instigated to murmur against God, and even to curse his name. But when that inward meekness, which is infused by the Spirit of God, and the consolation, which is conveyed by the same Spirit, succeed in the place of our stubbornness, then tribulations become the means of generating patience; yea, those tribulations, which in the obstinate can produce nothing but indignation and clamorous discontent.

And not only so - We not only rejoice in times of prosperity, and of health. Paul proceeds to show that this plan is not less adapted to produce support in trials.
But we glory - The word used here is the same that is in Romans 5:2, translated, "we rejoice" καυχώμεθα kauchōmetha. It should have been so rendered here. The meaning is, that we rejoice not only in hope; not only in the direct results of justification, in the immediate effect which religion itself produces; but we carry our joy and triumph even into the midst of trials. In accordance with this, our Saviour directed his followers to rejoice in persecutions, Matthew 5:11-12. Compare James 1:2, James 1:12.
In tribulations - In afflictions. The word used here refers to all kinds of trials which people are called to endure; though it is possible that Paul referred particularly to the various persecutions and trials which they were called to endure as Christians.
Knowing - Being assured of this. Paul's assurance might have arisen from reasoning on the nature of religion, and its tendency to produce comfort; or it is more probable that he was speaking here the language of his own experience. He had found it to be so. This was written near the close of his life, and it states the personal experience of a man who endured, perhaps, as much as anyone ever did, in attempting to spread the gospel; and far more than commonly falls to the lot of mankind. Yet he, like all other Christians, could leave his deliberate testimony to the fact that Christianity was sufficient to sustain the soul in its severest trials; see 2-Corinthians 1:3-6; 2-Corinthians 11:24-29; 2-Corinthians 12:9-10.
Worketh - Produces; the effect of afflictions on the minds of Christians is to make them patient. Sinners are irritated and troubled by them; they complain, and become more and more obstinate and rebellious. They have no sources of consolation; they deem God a hard master; and they become fretful and rebellions just in proportion to the depth and continuance of their trials. But in the mind of a Christian, who regards his Father's hand in it; who sees that he deserves no mercy; who has confidence in the wisdom and goodness of God; who feels that it is necessary for his own good to be afflicted; and who experiences its happy, subduing, and mild effect in restraining his sinful passions, and in weaning him from the world the effect is to produce patience. Accordingly, it will usually be found that those Christians who are longest and most severely afflicted are the most patient. Year after year of suffering produces increased peace and calmness of soul; and at the end of his course the Christian is more willing to be afflicted, and bears his afflictions more calmly, than at the beginning. He who on earth was most afflicted was the most patient of all sufferers; and not less patient when he was "led as a lamb to the slaughter," than when he experienced the first trial in his great work.
Patience - "A calm temper, which suffers evils without murmuring or discontent" (Webster).

And not only so - We are not only happy from being in this state of communion with our God, and the prospect of being eternally with him;
But we glory in tribulations also - All the sufferings we endure for the testimony of our Lord are so sanctified to us by his grace, that they become powerful instruments of increasing our happiness.
Tribulation worketh patience - Ὑπομονην, Endurance under trials, without sustaining loss or deterioration. It is a metaphor taken from refining metals. We do not speak thus from any sudden raptures, or extraordinary sensations we may have of spiritual joy: for we find that the tribulations through which we pass are the means of exercising and increasing our patience, our meek forbearance of injuries received, or persecutions experienced, on account of the Gospel.

(4) And not only [so], but we glory in tribulations also: (5) knowing that tribulation worketh patience;
(4) Tribulation itself gives us different and various occasions to rejoice, and more than this it does not make us miserable. (5) Afflictions make us use to being patient, and patience assures us of the goodness of God, and this experience confirms and fosters our hope, which never deceives us.

And not only so, but we glory in tribulations also,.... The tribulations of the saints are many and various, through the hatred of the world, the temptations of Satan, their own corruptions; and are the will of their heavenly Father; what Christ has foretold, and they expect; and here particularly design such as are for Christ's sake, which being supported under, and carried through, they glory in: not that these are desirable in themselves, and to the flesh; but they glory in them as they are for Christ's sake, and in a good cause; as they are trials of grace, and of use for the exercise of it: and as they are in the exercise of grace, amidst these tribulations, and are comforted under them, and are helped to have regard to the heavenly glory. The ground of which glorying is, that these afflictions are the means of promoting patience, experience, and hope:
knowing this, that tribulation worketh patience; patience is a grace, of which God is the author; it is one of the fruits of the Spirit; the word of God is the means of its being first implanted; and afflictions are the means of promoting it, when they are sanctified; otherwise they produce impatience, murmurings, and repinings; there is great need of patience under them; and, by divine grace, they are the matter and occasion of exercising, and so of increasing it.

we glory in tribulation also; knowing that tribulation worketh patience--Patience is the quiet endurance of what we cannot but wish removed, whether it be the withholding of promised good (Romans 8:25), or the continued experience of positive ill (as here). There is indeed a patience of unrenewed nature, which has something noble in it, though in many cases the offspring of pride, if not of something lower. Men have been known to endure every form of privation, torture, and death, without a murmur and without even visible emotion, merely because they deemed it unworthy of them to sink under unavoidable ill. But this proud, stoical hardihood has nothing in common with the grace of patience--which is either the meek endurance of ill because it is of God (Job 1:21-22; Job 2:10), or the calm waiting for promised good till His time to dispense it come (Hebrews 10:36); in the full persuasion that such trials are divinely appointed, are the needed discipline of God's children, are but for a definite period, and are not sent without abundant promises of "songs in the night." If such be the "patience" which "tribulation worketh," no wonder that

We glory in tribulations also - Which we are so far from esteeming a mark of God's displeasure, that we receive them as tokens of his fatherly love, whereby we are prepared for a more exalted happiness. The Jews objected to the persecuted state of the Christians as inconsistent with the people of the Messiah. It is therefore with great propriety that the apostle so often mentions the blessings arising from this very thing.