JMNT(i)
4 You see, as much as was written before was written [leading] into the teaching (the instruction and training) [which is] ours (or: was written unto and for our instruction), to the end that through the persistent remaining-under to give support (the humble yet relentless endurance in handling the blows), and through the calling-alongside of the Scriptures (or: through the Scriptures' comfort, consolation, relief, aid, support and performance as a Paraclete) we may constantly hold expectation (or: have expectant hope).