Notes on The Apocalypse of St. John the Apostle (Author Bishop Richard Challoner (ed.))
6:10 Revenge our blood: They ask not this out of hatred to their enemies, but out of zeal for the glory of God, and a desire that the Lord would accelerate the general judgment, and the complete beatitude of all his elect.
Original Douay-Rheims from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.