Philippians 1:16

the latter do it from love to me, knowing that I am set here to defend the gospel,

Philippians 1:7

It is only natural for me to be thinking of you all in this way, for alike in my prison and as I defend and vindicate the gospel, I bear in mind how you all share with me in the grace divine.

2 Corinthians 2:17

I am, for I am not like most, adulterating the word of God; like a man of sincerity, like a man of God, I speak the word in Christ before the very presence of God.

2 Corinthians 4:1-2

Hence, as I hold this ministry by God's mercy to me, I never lose heart in it;

Philippians 1:10

so that you may be transparent and no harm to anyone in view of the day of Christ,

Philippians 1:12

I would have you understand, my brothers, that my affairs have really tended to advance the gospel;

Treasury of Scripture Knowledge

Summary

The one preach Christ of contention, not sincerely, supposing to add affliction to my bonds:

Bible References

Not sincerely

Philippians 1:10
so that you may be transparent and no harm to anyone in view of the day of Christ,
2 Corinthians 2:17
I am, for I am not like most, adulterating the word of God; like a man of sincerity, like a man of God, I speak the word in Christ before the very presence of God.
2 Corinthians 4:1
Hence, as I hold this ministry by God's mercy to me, I never lose heart in it;