1 Corinthians 15:58 ESV
Therefore, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that in the Lord your labor is not in vain.
Luke 16:13 ESV
No servant can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.”
Galatians 6:9 ESV
And let us not grow weary of doing good, for in due season we will reap, if we do not give up.