Children don’t need to be sent every Sunday to Gravity School, because they experience gravity directly in their everyday lives. Beliefs that are true rarely need reinforcement, which is why after we use marbles to figure out the times table, we accept it and do not need to keep retesting it or reinforcing it. Beliefs that are false have a way of wearing out, drying up and blowing away, which is why we constantly need to reinforce them, usually through social chanting, singing or other kinds of mind deadening repetition.