1 Corinthians 15:58

Therefore, my be loved brethren, be firm, immovable, always abounding in the work of the Lord; for you know that your labor is not in vain in the Lord.

Titus 3:8

This saying is true, and in respect to these things, I will that you affirm strongly, in order that those who have believed in God may be careful to practice good works: these are the things that are honorable and profitable for men.

Hebrews 6:11

But we desire every one of you to show the same diligence, in order to have your hope fully assured to the end:

2 Peter 1:5-10

so, even for this very purpose, uniting to these things all diligence, add to your faith, virtue; and to virtue, knowledge;

2 Peter 3:14

Wherefore, beloved, seeing that you expect such things, earnestly strive, by being spotless and blameless, to be found by him in peace:

Treasury of Scripture Knowledge

Summary

Ye shall diligently keep the commandments of the LORD your God, and his testimonies, and his statutes, which he hath commanded thee.

Bible References

General references

1 Corinthians 15:58
Therefore, my be loved brethren, be firm, immovable, always abounding in the work of the Lord; for you know that your labor is not in vain in the Lord.
Titus 3:8
This saying is true, and in respect to these things, I will that you affirm strongly, in order that those who have believed in God may be careful to practice good works: these are the things that are honorable and profitable for men.
Hebrews 6:11
But we desire every one of you to show the same diligence, in order to have your hope fully assured to the end:
2 Peter 1:5
so, even for this very purpose, uniting to these things all diligence, add to your faith, virtue; and to virtue, knowledge;
2 Peter 3:14
Wherefore, beloved, seeing that you expect such things, earnestly strive, by being spotless and blameless, to be found by him in peace: