До римлян 5:3

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 (Rom 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 (Heb 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

The apostle, having made good his point, and fully proved justification by faith, in this chapter proceeds in the explication, illustration, and application of that truth. I. He shows the fruits of justification (Rom 5:1-5). II. He shows the fountain and foundation of justification in the death of Jesus Christ, which he discourses of at large in the rest of the chapter.

5:3-4 See also Jas 1:2-4; 1 Pet 1:6-7. The similarities in these passages indicate early Christian teaching common to all three of these writers.