We have used the Bible as if it were a mere special constable's handbook, an opium dose for keeping beasts of burden patient while they are overloaded.
When you're a carpenter making a beautiful chest of drawers, you're not going to use a piece of plywood on the back, even though it faces the wall and nobody will ever see it. You'll know it's there, so you're going to use a beautiful piece of wood on the back.