Were written aforetime (proegraphē). Second aorist passive indicative of prographō, old verb, in N.T. only here, Gal 3:1 (which see); Eph 3:3; Jud 1:4.
For our learning (eis tēn hēmeteran didaskalian). “For the instruction of us.” Objective sense of possessive pronoun hēmeteros. See Mat 15:9 and note on 2Ti 3:16 for didaskalian (from didaskō, to teach).
We might have hope (tēn elpida echōmen). Present active subjunctive of echō with hina in final clause, “that we might keep on having hope.” One of the blessed uses of the Scriptures.