Philippians 1:16

those preach the gospel of Christ, not in sincerity, but from a principle of contention, with a view to inflame the persecution against me:

Philippians 1:7

I should have this opinion of you, being sensible you make the dispensation I am under a common concern, with respect to my confinement, and the defence and confirmation of the gospel.

2 Corinthians 2:17

for we are not like others, who adulterate the word of God; but we preach the pure gospel of Christ, as I receiv'd it from God, and as in the presence of God.

2 Corinthians 4:1-2

Therefore, having by the divine favour such a ministry, I exert myself:

Philippians 1:10

that being capable to distinguish what is best, you may remain stedfastly sincere until the day of Christ,

Philippians 1:12

Now I would have you know, my brethren, that what has happen'd to me, has only conduc'd to the progress of 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
that being capable to distinguish what is best, you may remain stedfastly sincere until the day of Christ,
2 Corinthians 2:17
for we are not like others, who adulterate the word of God; but we preach the pure gospel of Christ, as I receiv'd it from God, and as in the presence of God.
2 Corinthians 4:1
Therefore, having by the divine favour such a ministry, I exert myself: