2 Corinthians 11:21
"I speak as concerning reproach, as though we had been weak. Howbeit whereinsoever any is bold, (I speak foolishly,) I am bold also."
Cross References (ranked by relevance)
2 Corinthians 10:10
For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.
2 Corinthians 11:17
That which I speak, I speak it not after the Lord, but as it were foolishly, in this confidence of boasting.
2 Corinthians 13:10
Therefore I write these things being absent, lest being present I should use sharpness, according to the power which the Lord hath given me to edification, and not to destruction.