2 Corinthians 11:30

If boast I must, it shall be of things which display my weakness.

1 Corinthians 2:3

And so far as I myself was concerned, I came to you in conscious feebleness and in fear and in deep anxiety.

2 Corinthians 12:5-11

Of such a one I will boast; but of myself I will not boast, except in my weaknesses.

2 Corinthians 11:16-18

To return to what I was saying. Let no one suppose that I am foolish. Or if you must, at any rate make allowance for me as being foolish, in order that I, as well as they, may boast a little.

2 Corinthians 12:1

I am compelled to boast. It is not a profitable employment, but I will proceed to visions and revelations granted me by the Lord.

Colossians 1:24

Now I can find joy amid my sufferings for you, and I fill up in my own person whatever is lacking in Christ's afflictions on behalf of His Body, the Church.

Treasury of Scripture Knowledge

Summary

If I must needs glory, I will glory of the things which concern mine infirmities.

General references

Bible References

Must

2 Corinthians 11:16
To return to what I was saying. Let no one suppose that I am foolish. Or if you must, at any rate make allowance for me as being foolish, in order that I, as well as they, may boast a little.
2 Corinthians 12:1
I am compelled to boast. It is not a profitable employment, but I will proceed to visions and revelations granted me by the Lord.

I will

2 Corinthians 12:5
Of such a one I will boast; but of myself I will not boast, except in my weaknesses.
Colossians 1:24
Now I can find joy amid my sufferings for you, and I fill up in my own person whatever is lacking in Christ's afflictions on behalf of His Body, the Church.

General references

1 Corinthians 2:3
And so far as I myself was concerned, I came to you in conscious feebleness and in fear and in deep anxiety.