1 Corinthians 15:58
Therefore, my beloved brethren, become steadfast, immovable, abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
Titus 3:8
Faithful is the saying, and concerning these things I will that you affirm confidently, that those who have believed God may be careful to maintain good works. These things are good and profitable to men.
Hebrews 6:11
And we desire that each of you show forth the same diligence to the full assurance of the hope to the end;
2 Peter 1:5-10
and, even for this very reason, adding all diligence, in your faith supply virtue; and in virtue, knowledge;
2 Peter 3:14
Wherefore, beloved, since ye are looking for these things, give diligence that ye be found in peace, without spot and blameless in His sight.