Luke 17:10

So you also, when you do all you have been ordered to do, must say, 'We are good-for-nothing slaves! We have done only what we ought to have done!' "

Matthew 25:30

And put the good-for-nothing slave out into the darkness outside, to weep and grind his teeth there.'

Romans 11:35

"Or who has advanced anything to him, for which he will have to be repaid?"

Matthew 25:37-40

Then the upright will answer, 'Lord, when did we see you hungry and give you food, or thirsty, and give you something to drink?

Romans 3:12

All have turned away, they are one and all worthless, No one does right, not a single one!

1 Corinthians 9:16-17

As far as preaching the good news is concerned, that is nothing for me to boast of, for I cannot help doing it. For I am ruined if I do not preach.

1 Corinthians 15:9-10

For I am the least important of the apostles, and am not fit to be called an apostle, because I once persecuted God's church.

Philippians 3:8-9

Why, I count everything as loss compared with the supreme advantage of knowing Christ Jesus my Lord. For his sake I have lost everything, and think it rubbish, in order to gain Christ

1 Peter 5:5-6

You younger men must show deference to the elders. And you must all clothe yourselves in humility toward one another, for God opposes the proud, but shows mercy 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 put the good-for-nothing slave out into the darkness outside, to weep and grind his teeth there.'
Romans 3:12
All have turned away, they are one and all worthless, No one does right, not a single one!
Romans 11:35
"Or who has advanced anything to him, for which he will have to be repaid?"
1 Corinthians 9:16
As far as preaching the good news is concerned, that is nothing for me to boast of, for I cannot help doing it. For I am ruined if I do not preach.
1 Corinthians 15:9
For I am the least important of the apostles, and am not fit to be called an apostle, because I once persecuted God's church.
Philippians 3:8
Why, I count everything as loss compared with the supreme advantage of knowing Christ Jesus my Lord. For his sake I have lost everything, and think it rubbish, in order to gain Christ
Philemon 1:11
Once you found him useless, but now he has become useful to you and to me,
1 Peter 5:5
You younger men must show deference to the elders. And you must all clothe yourselves in humility toward one another, for God opposes the proud, but shows mercy to the humble.