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.
Titus 3:8
How true that saying is! And it is on these subjects that I desire you to lay especial stress, so that those who have learned to trust in God may be careful to devote themselves to doing good. Such subjects are excellent in themselves, and of real use to mankind.
Hebrews 6:11
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,
2 Peter 3:14
Therefore, dear friends, in expectation of these things, make every effort to be found by him spotless, blameless, and at peace.