2 Corinthians 12:6

Though if I should boast, I will not be a fool, for I will be speaking the truth. But I refrain from it, so that no one may think more of me than he sees in me or hears from me.

2 Corinthians 11:16

I repeat, let no one think me foolish; but even if you do, receive me as a fool, so that I too may boast a little.

Romans 9:1

I am speaking the truth in Christ, I am not lying; my conscience bears me witness in the Holy Spirit,

1 Corinthians 3:5

What then is Apollos? And what is Paul? Servants through whom you believed, even as the Lord assigned to each one.

1 Corinthians 3:9-10

For we are God's fellow workers; you are God's field, God's building.

2 Corinthians 1:18

But as surely as God is faithful, our word to you has not been Yes and No.

2 Corinthians 5:13

For if we are beside ourselves, it is for God; if we are in our right mind, it is for you.

2 Corinthians 10:8-10

For even if I boast somewhat further about our authority, which the Lord gave for building you up and not for destroying you, I shall not be put to shame.

2 Corinthians 11:31

The God and Father of the Lord Jesus, he who is blessed forever, knows that I am not lying.

2 Corinthians 12:7

And to keep me from being too elated because of the abundance of revelations, there was given to me a thorn in the flesh, a messenger of Satan, to harass me, to keep me from being too elated.

2 Corinthians 12:11

I have been a fool! You forced me to it, for I ought to have been commended by you. For I was not in the least inferior to these super-apostles, even though I am nothing.

Treasury of Scripture Knowledge

Summary

For though I would desire to glory, I shall not be a fool; for I will say the truth: but now I forbear, lest any man should think of me above that which he seeth me to be, or that he heareth of me.

General references

Bible References

I would

2 Corinthians 10:8
For even if I boast somewhat further about our authority, which the Lord gave for building you up and not for destroying you, I shall not be put to shame.
2 Corinthians 11:16
I repeat, let no one think me foolish; but even if you do, receive me as a fool, so that I too may boast a little.
1 Corinthians 3:5
What then is Apollos? And what is Paul? Servants through whom you believed, even as the Lord assigned to each one.

Above that

2 Corinthians 12:7
And to keep me from being too elated because of the abundance of revelations, there was given to me a thorn in the flesh, a messenger of Satan, to harass me, to keep me from being too elated.
2 Corinthians 10:9
I do not wish to seem as if I would terrify you by my letters.

General references

1 Corinthians 2:3
I was with you in weakness and in fear and in much trembling,