2 Corinthians 12:6

For if I do wish to boast I will not be foolish, for I will be speaking the truth; but I refrain from this, so that no one will credit me with more than he sees in me or hears from me.

2 Corinthians 11:16

Again I say, let no one think me foolish; but if you do, receive me even as foolish, so that I also may boast a little.

Job 24:25

“Now if it is not so, who can prove me a liar,
And make my speech worthless?”

Romans 9:1

I am telling the truth in Christ, I am not lying, my conscience testifies with me 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 gave opportunity 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 God is faithful, our word to you is not yes and no.

2 Corinthians 5:13

For if we are beside ourselves, it is for God; if we are of sound 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 will 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

Because of the surpassing greatness of the revelations, for this reason, to keep me from exalting myself, there was given me a thorn in the flesh, a messenger of Satan to torment me—to keep me from exalting myself!

2 Corinthians 12:11

I have become foolish; you yourselves compelled me. Actually I should have been commended by you, for in no respect was I inferior to the most eminent apostles, even though I am a nobody.

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 will not be put to shame,
2 Corinthians 11:16
Again I say, let no one think me foolish; but if you do, receive me even as foolish, so that I also 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 gave opportunity to each one.

Above that

2 Corinthians 12:7
Because of the surpassing greatness of the revelations, for this reason, to keep me from exalting myself, there was given me a thorn in the flesh, a messenger of Satan to torment me—to keep me from exalting myself!
2 Corinthians 10:9
for 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,