Luke 17:10

So also do ye, when ye have done all that hath been commanded you, say, We are unprofitable servants; we have done what we were bound to do.

Matthew 25:30

And cast out the unprofitable servant into the outer darkness; there will be wailing and gnashing of teeth.

Romans 11:35

or "who first gave to him, and shall receive a return?"

Matthew 25:37-40

Then will the righteous answer him, saying, Lord, when saw we thee hungry, and fed thee? or thirsty, and gave thee drink?

Romans 3:12

they have all turned aside from the right way, they have become worthless together; there is none that doeth good, not even one.

1 Corinthians 9:16-17

For in preaching the gospel, I have nothing to glory in; for I am under a necessity to do so; yea, woe is to me, if I preach not the gospel!

1 Corinthians 15:9-10

For I am the least of the apostles, one not worthy to be called an apostle, because I persecuted the church of God.

Philippians 3:8-9

Nay more, I count all things to be loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all things, and count them as refuse, that I may gain Christ,

1 Peter 5:5-6

In like manner, ye younger men, submit yourselves to the elder; and all of you be clothed with humility toward each other; for "God resisteth the proud, but giveth grace 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; there will be wailing and gnashing of teeth.
Romans 3:12
they have all turned aside from the right way, they have become worthless together; there is none that doeth good, not even one.
Romans 11:35
or "who first gave to him, and shall receive a return?"
1 Corinthians 9:16
For in preaching the gospel, I have nothing to glory in; for I am under a necessity to do so; yea, woe is to me, if I preach not the gospel!
1 Corinthians 15:9
For I am the least of the apostles, one not worthy to be called an apostle, because I persecuted the church of God.
Philippians 3:8
Nay more, I count all things to be loss for the excellency of the knowledge of Christ Jesus my Lord, for whom I have suffered the loss of all things, and count them as refuse, that I may gain Christ,
Philemon 1:11
who in time past was unprofitable to thee, but is now profitable to thee and to me;
1 Peter 5:5
In like manner, ye younger men, submit yourselves to the elder; and all of you be clothed with humility toward each other; for "God resisteth the proud, but giveth grace to the humble."