John 6:27
Labor not for the food that perishes, but for the food that endures to life eternal, which the Son of man will give you; for him has God the Father at tested.
1 Corinthians 15:58
Therefore, my be loved brethren, be firm, immovable, always abounding in the work of the Lord; for you know that your labor is not in vain in the Lord.
Hebrews 6:11-12
But we desire every one of you to show the same diligence, in order to have your hope fully assured to the end:
2 Peter 1:5-10
so, even for this very purpose, uniting to these things all diligence, add to your faith, virtue; and to virtue, knowledge;