Notes on The Second Epistle of St. Paul to the Corinthians (Author Bishop Richard Challoner (ed.))
11:1 My folly: So he calls his reciting his own praises, which, commonly speaking is looked upon as a piece of folly and vanity; though the apostle was constrained to do it, for the good of the souls committed to his charge.
Original Douay-Rheims from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.