John 6:27
Work, not for the food that perishes, but for the food that lasts for Immortal Life, which the Son of Man will give you; for upon him the Father--God himself--has set the seal of his approval."
1 Corinthians 15:58
Therefore, my dear Brothers, stand firm, unshaken, always diligent in the Lord's work, for you know that, in union with him, your toil is not in vain.
Hebrews 6:11-12
But our great desire is that every one of you should be equally earnest to attain to a full conviction that our hope will be fulfilled, and that you should keep that hope to the end.
2 Peter 1:5-10
Yes, and for this very reason do your best to supplement your faith by goodness, goodness by knowledge,