"We are bound to be diligently watchful after the manner of a vigilant Shepherd and to ensure most carefully that certain people who consider the study of the truth beneath them should be driven out of the sheepfold of Christ and no longer continue to disseminate error from positions of authority." "6. In addition, [by this Our Constitution, which is to remain valid in perpetuity We enact, determine, decree and define:-] that if ever at any time it shall appear that any Bishop, even if he be acting as an Archbishop, Patriarch or Primate; or any Cardinal of the aforesaid...