Romans 9:20
But who are you, my man, to speak back to God? Is something a man has moulded to ask him who has moulded it, "Why did you make me like this?"
James 1:4
only, let your endurance be a finished product, so that you may be finished and complete, with never a defect.
James 1:12
Blessed is he who endures under trial; for when he has stood the test, he will gain the crown of life which is promised to all who love Him.
1 Peter 1:7
that is only to prove your faith is sterling (far more precious than gold which is perishable and yet is tested by fire), and it redounds to your praise and glory and honour at the revelation of Jesus Christ.