"It is all wasted because the holy Sacrifice of the Mass, desecrated as it is, no longer confers grace and no longer transmits it." -
Open Letter to Confused Catholics, Ch. III pg. 19. Found online at
http://www.sspxasia.com/Docuмents/Archbishop-Lefebvre/OpenLetterToConfusedCatholics/Chapter-3.htm
Copy and paste to make the link work. Read the whole pararagraph.