2 Bible Verses about Adversity, Purpose Of

And have you forgotten the exhortation which addresses you as sons? "My son, do not regard lightly the discipline of the Lord, nor lose courage when you are rebuked by him. For those whom the Lord loves he disciplines, and he scourges every son whom he receives." It is for discipline that you endure. God is treating 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 have become partakers, then you are illegitimate children and not sons. Besides this, we have had fathers of our flesh to discipline us and we respected them. Shall we not much more be subject to the Father of spirits and live? For they disciplined us for a short time as seemed best to them, but he disciplines us for our good, that we may share his holiness. For the moment all discipline seems painful rather than pleasant; but later it yields the peaceful fruit of righteousness to those who have been trained by it.

who are protected by God's power through faith for a salvation ready to be revealed in the last time. In this you greatly rejoice, though now for a little while you may have to suffer various trials, so that the proof of your faith, being more precious than gold which is perishable, even though tested by fire, may be found to result in praise and glory and honor at the revelation of Jesus Christ.read more.
Though you have not seen him, you love him; and even though you do not see him now, you believe in him and rejoice with an inexpressible and glorious joy,