1 Corinthians 9:16

If I tell the Good News, I have nothing to boast of, for I can but do so. Woe is me if I do not tell it!

Romans 1:14

I have a duty to both the Greek and the Barbarian, to both the cultured and the ignorant.

Acts 9:15

But the Lord said to him: "Go, for this man is my chosen instrument to uphold my Name before the Gentiles and their kings, and the people of Israel.

Luke 9:62

But Jesus answered: "No one who looks back, after putting his hand to the plough, is fitted for the Kingdom of God."

Acts 4:20

Judge for yourselves, for we cannot help speaking of what we have seen and heard."

Acts 9:6

"Yet stand up and go into the city, and you will be told what you must do."

Acts 26:16-20

But get up and stand upright; for I have appeared to you in order to appoint you a servant and a witness of those revelations of me which you have already had, and of those in which I shall yet appear to you,

Romans 4:2

If he was pronounced righteous as the result of obedience, then he has something to boast of. Yes, but not before God.

Romans 15:17

It is, then, through my union with Christ Jesus that I have a proud confidence in my work for God.

Colossians 4:17

Give this message to Archippus--'Take care to discharge to the best of your ability the office to which you were appointed in the Master's Cause.'

Treasury of Scripture Knowledge

Summary

For though I preach the gospel, I have nothing to glory of: for necessity is laid upon me; yea, woe is unto me, if I preach not the gospel!

General references

Bible References

I have

Romans 4:2
If he was pronounced righteous as the result of obedience, then he has something to boast of. Yes, but not before God.
Romans 15:17
It is, then, through my union with Christ Jesus that I have a proud confidence in my work for God.

For

Acts 4:20
Judge for yourselves, for we cannot help speaking of what we have seen and heard."
Acts 9:6
"Yet stand up and go into the city, and you will be told what you must do."
Acts 26:16
But get up and stand upright; for I have appeared to you in order to appoint you a servant and a witness of those revelations of me which you have already had, and of those in which I shall yet appear to you,
Romans 1:14
I have a duty to both the Greek and the Barbarian, to both the cultured and the ignorant.

General references

Luke 17:10
And so with you--when you have done all that you have been told, still say 'We are but useless servants; we have done no more than we ought to have done.'"