text: Yes they teach so that we can be properly formed..so that we have "sound criteria" (aligned with the truth)  with which we can make moral judgments. 
  
  They govern so that there will be a visible Church ordered to a stable good for its people.
  
  They sanctify so that we can receive the Sacarments, which can power us to love God, and serve Him by loving His children. 
  
  All of these visible actions of the Church enable us to sanctify the world.