1 Corinthians 15:58
Therefore, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
Titus 3:8
The word is true, and I wish you to insist strongly concerning these things, that those who have believed in God may be careful to maintain good works. For these things are honorable and useful to men.
Hebrews 6:11
But we desire each of you to show the same diligence to the full assurance of hope to the end,
2 Peter 1:5-10
and for the same purpose also, giving all diligence add to your faith virtue, and to virtue knowledge,
2 Peter 3:14
Wherefore, beloved, looking for these things, be diligent that you may be found in him without a spot and blemish, in peace,