Learning English From The Radio

In a famous Sufi story, Mullah Nasrudin , wisest man in Islam, entered England on a visit. "Do you have anything to declare?" asked the customs inspector.
"No -- ssst,bzzzz -- nothing at all".
"How long do you plan to stay?"
"Oh, about -- ssssssssszzzzt,bzzz -- about three weeks."
"By the way, where did you learn English?"
"From the -- bzzz,bzzz,sszzzzzzzbzz -- radio ".