A good Dianetic auditor can take a broken-down, sorrow-drenched lady of thirty-eight and knock out her past periods of physical and mental pain and have on his hands somebody who appears to be twenty-five-and a bright, cheerful twenty-five at that.
The Romans had been able to post their laws on boards in public places, confidant that enough literate people existed to read them; far into the Middle Ages, even kings remained illiterate.