2 Bible Verses about Adversity, Purpose Of

And you have forgotten the exhortation which says to you as to sons, My son, despise not the correction of the Lord and faint not when rebuked by him, for the Lord corrects those whom he loves, and chastises every son whom he receives. If you endure correction, God deals with you as sons; for what son is there whom his father does not correct?read more.
But if you are without correction of which all are partakers, then you are of foreign birth, and not sons. Moreover, we have had fathers of our flesh who corrected us and we respected them; shall we not much more be subject to the Father of spirits and live? For they for a few days corrected us as seemed good to them, but he for the best, that we may partake of his holiness. And no correction seems to be joyful for the present but painful, but afterwards it yields the peaceful fruit of righteousness to those exercised by it.

who are kept by the power of God through faith to salvation ready to be revealed in the last time. In which you rejoice, though now for a little while if need be made sad by manifold trials, that the trial of your faith, which is much more precious than gold that is destroyed but proved by fire, may be found to praise and glory and honor at the revelation of Jesus Christ,read more.
whom not having seen you love, in whom believing though now you see him not you rejoice with joy unspeakable and glorious,