Perseverance in Well-Doing is not in Vain
Source: TTT
1 Corinthians 15:58
Therefore, my beloved brothers, be steadfast and immovable. Always excel in the work of the Lord, because you know that your labor in the Lord is not in vain.
Galatians 6:9
Let us not grow weary in well-doing, for in due time we will reap a harvest if we do not give up.