New Defender's Study Bible Notes
15:4 written for our learning. The Old Testament Scriptures were all written for our benefit today, as well as for the pre-Christian Israelites. Paul very frequently quotes from the Old Testament as authoritative (as in the preceding verse, for example), and clearly believed all of it to be divinely inspired and in every way profitable for Christians (II Timothy 3:16-17). By no means should Christians limit their Bible study to the New Testament.