On the Catholic Priesthood
All Glory to the Blood of Jesus
"The Precious Blood has doubtless always been honored in the Church by devotion to the Passion and Holy Eucharist, but It requires, It exacts a particular homage in our days, since hell, whose hatred for It is extreme, has caused It to be particularly trampled upon and despised...Careless and indifferent Christians, though well aware that is was sin which caused Its most painful effusions, incessantly commit the self-same sins. Jesus complains of this by the mouth of the Prophet: "Of what avail is My Blood? and asks for some return for the world's ingratitude towards the Price of our Salvation.
source: Devotion to the Precious Blood