text: I keep coming back to...
  
  It is an immutable doctrine of the Church that 2+2=4, and that's not ambiguous. Case closed. Be rigid or be gone. 
  
  Then along comes millions of laity whose life experiences have told them sometimes 3+1=4 and 5-1=4 and they are called threats to the doctrinal clarity of 2+2=4. Indeed, they are called far worse, accused of spawning "doctrinal confusion." A prominent American Catholic archbishop says, "Confusion is of the devil" to put them in their place.