2 Corinthians 4:7-10, 16-18:
7But we have this treasure in jars of clay, to show that the surpassing power belongs to God and not to us. 8We are afflicted in every way, but not crushed; perplexed, but not driven to despair; 9persecuted, but not forsaken; struck down, but not destroyed; 10always carrying in the body the death of Jesus, so that the life of Jesus may also be manifested in our bodies.
16So we do not lose heart. Though our outer self is wasting away, our inner self is being renewed day by day. 17For this light momentary affliction is preparing for us an eternal weight of glory beyond all comparison, 18as we look not to the things that are seen but to the things that are unseen. For the things that are seen are transient, but the things that are unseen are eternal.