Stephen:  Imagine a piano keyboard . Um , 88 keys , only _ 88 _ , and yet , and yet , hundreds of new melodies , new tunes , new harmonies are being composed upon hundreds of different keyboards every day in Dorset alone . Now , our language , Tiger , our language . Hundreds of thousands of available words , frillions of legitimate new ideas ... Hm ? So that I can say the following sentence and be utterly sure that nobody has ever said it before in the history of human communication : " Hold the newsreader 's nose squarely , waiter , or friendly milk will countermand my trousers . "