1 Corinthians 15:58
So, my beloved brethren, be ye stedfast, unmoveable, 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 faithful, and I wish you to be established concerning these things, in order that those having believed in God may think to excel in good works. These things are beautiful and useful to the people:
Hebrews 6:11
But we desire each one of you to exhibit the same diligence unto the full assurance of hope unto the end:
2 Peter 1:5-10
And in harmony with this same thing also, add to your faith heroism; and to heroism, knowledge;
2 Peter 3:14
Therefore, beloved, looking for these things, be diligent to be found spotless and blameless unto him in peace: