John 6:27
Stop toiling for the food that perishes, but toil for the food that lasts for eternal life, which the Son of Man will give you, for God the Father has given Him authority to do so."
1 Corinthians 15:58
So, my dear brothers, continue to be firm, incapable of being moved, always letting the cup run over in the work of the Lord, because you know that your labor in the service of the Lord is never thrown away.
Hebrews 6:11-12
And we desire each one of you to continue to show the same earnestness to the very end, that you may enjoy your hope to the fullest,
2 Peter 1:5-10
Now for this very reason you must do your level best to supplement your faith with moral character, moral character with knowledge,