2 Bible Verses about Adversity, Purpose Of

and have you forgotten the exhortation which reasons with you as sons? My son, do not despise the training of the Lord, Nor faint when he corrects you; For it is those whom he loves that he disciplines, And he scourges every son whom he acknowledges. It is for discipline that you are enduring these sufferings. God is dealing with you as sons. For what son is there whom his father does not discipline?read more.
If you are left without discipline, in which all children share, then are you bastards and not sons. Furthermore, our earthly fathers used to discipline us, and we gave them reverence. Shall we not much rather be in subjection to the Father of spirits, and live? For they only disciplined us for a few days, as seemed good to them; but he does it for our profit, that we may share his holiness. Now no discipline seems for the present to be joyous, but grievous; but afterward it yields the peaceable fruits of righteousness to those who have been trained under it.

who, through faith, are continuously guarded by the power of God for a salvation, ready to be revealed in the last days. Exult in this, though now for a brief moment, if need be, you have suffered many hardships. These are in order that the test of your faith, more precious than gold that is perishable and yet is tested by fire, may redound to praise and glory and honor, at the revelation of Jesus Christ.read more.
Him you love, though you have never seen him; in him you ever believe, though even now you see him not, and you are rejoicing with joy unspeakable and full of glory,