Wait for the LORD; be strong and take heart and wait for the LORD. - Psalm 27:14

My flesh and my heart may fail, but God is the strength of my heart and my portion forever. - Psalm 73:26

But he knows the way that I take; when he has tested me, I will come forth as gold. - Job 23:10

Therefore we do not lose heart. Though outwardly we are wasting away, yet inwardly we are being renewed day by day. - 2 Corinthians 4:16