2 Bible Verses about Adversity, Purpose Of

And have you forgotten the exhortation which is addressed to you, as children, "My son, count not lightly of the Lord's childlike correction, nor faint when under his rebuke: for whom the Lord loveth he correcteth, and scourgeth every son whom he receiveth." If ye patiently endure correction, God carries himself towards you as his children: for who is the son whom the father doth not correct?read more.
If then ye are without correction, of which all are partakers, then are ye bastards, and not children. If then we have had the fathers of our flesh for correctors, and reverenced them; shall we not much more be under subjection to the Father of spirits, and live? For they indeed for a few days as seemed proper to themselves corrected us; but he for our own advantage, that we might be partakers of his holiness. Now all correction at the moment seemeth not to be cause for joy, but for sorrow; but after a while it produceth peaceable fruit of righteousness to those who have thereby been disciplined.

who are guarded by the omnipotence of God, through faith to obtain the salvation which is ready to appear at the last time. Wherein ye exult, though yet for a little space, (if it must be so,) ye are in sorrow through various trials: that the test of your faith (much more precious than that of gold, which is of a perishing nature, though proved by fire) may be found unto praise and honour and glory at the revelation of Jesus Christ:read more.
whom though ye have not seen, ye love; on whom, though ye have not as yet gazed, yet believing, ye exult with joy unutterable and glorious: