New Revised Standard Version
If I must boast, I will boast of the things that show my weakness.

Contemporary English Version
If I have to brag, I will brag about how weak I am.

New American Bible
If I must boast, I will boast of the things that show my weakness.

Douay-Rheims Bible
If I must needs glory, I will glory of the things that concern my infirmity.

If I must needs glory, I will glory of the things that concern my infirmity.

must.

2 Corinthians 11:16-18 I say again (Let no man think me to be foolish: otherwise take me as one foolish, that I also may glory a little): . . .

2 Corinthians 12:1,11 If I must glory (it is not expedient indeed) but I will come to visions and revelations of the Lord. . . .

Proverbs 25:27 As it is not good for a man to eat much honey, so he that is a searcher of majesty shall be overwhelmed by glory.

Proverbs 27:2 Let another praise thee, and not thy own mouth: a stranger, and not thy own lips.

Jeremiah 9:23,24 Thus saith the Lord: Let not the wise man glory in his wisdom, and let not the strong man glory in his strength, and let not the rich man glory in his riches: . . .

I will.

2 Corinthians 12:5-10 For such an one I will glory: but for myself I will glory nothing but in my infirmities. . . .

Colossians 1:24 Who now rejoice in my sufferings for you and fill up those things that are wanting of the sufferings of Christ, in my flesh, for his body, which is the church: