Luke 17:10

I think not. So likewise ye, when ye have done all things that were commanded you, say we are unprofitable servants, for we have done only what we ought to do.

Matthew 25:30

and cast out the unprofitable servant into the outer darkness, where there shall be weeping and gnashing of teeth.

Romans 11:35

Or who hath first given to Him? and it shall be returned.

Matthew 25:37-40

Then will the righteous answer Him, saying, Lord, when did we see thee hungry, and fed thee? or thirsty, and gave thee drink?

Romans 3:12

They are all gone out of the way, they are become unprofitable, there is none that practiseth goodness, no not one.

1 Corinthians 9:16-17

For if I preach the gospel, yet I have no ground for boasting; because I am under necessity to do it: and wo is me if I do not preach the Gospel.

1 Corinthians 15:9-10

not worthy to be called an apostle, because I persecuted the church of God.

Philippians 3:8-9

Yea doubtless and I count all but loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all, and I account them but dung, that I may gain Christ, and be found in Him,

1 Peter 5:5-6

Likewise ye younger, be subject to the elder; and all of you behaving with due submission one to another, be clothed with humility: for God resisteth the proud, but sheweth favor to the humble.

Treasury of Scripture Knowledge

Summary

So likewise ye, when ye shall have done all those things which are commanded you, say, We are unprofitable servants: we have done that which was our duty to do.

Bible References

General references

Matthew 25:30
and cast out the unprofitable servant into the outer darkness, where there shall be weeping and gnashing of teeth.
Romans 3:12
They are all gone out of the way, they are become unprofitable, there is none that practiseth goodness, no not one.
Romans 11:35
Or who hath first given to Him? and it shall be returned.
1 Corinthians 9:16
For if I preach the gospel, yet I have no ground for boasting; because I am under necessity to do it: and wo is me if I do not preach the Gospel.
1 Corinthians 15:9
not worthy to be called an apostle, because I persecuted the church of God.
Philippians 3:8
Yea doubtless and I count all but loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all, and I account them but dung, that I may gain Christ, and be found in Him,
Philemon 1:11
who was formerly unprofitable to thee, but now profitable both to thee and to me; whom I have sent back to thee:
1 Peter 5:5
Likewise ye younger, be subject to the elder; and all of you behaving with due submission one to another, be clothed with humility: for God resisteth the proud, but sheweth favor to the humble.