2 Corinthians 4:8-9
Though hard pressed on every side, we are never hemmed in; through perplexed, never driven to despair;
2 Corinthians 4:16
Therefore, as I said, we do not lose heart. No, even though outwardly we are wasting away, yet inwardly we are being renewed day by day.
Galatians 6:9
Let us never tire of doing right, for at the proper season we shall reap our harvest, if we do not grow weary.
Hebrews 12:1-4
Seeing, therefore, that there is on every side of us such a throng of witnesses, let us also lay aside everything that hinders us, and the sin that clings about us, and run with patient endurance the race that lies before us,