One day Einstein  was walking in the street in New York. His friend met him and said to him, "Einstein, you should buy a new coat. Look, how old your coat is!" But Einstein answered, "It doesn't matter. Nobody knows me here." After a few years Einstein became a famous scientist. But he still wore the old coat. His friend met him again and asked him to buy a new one. But Einstein said, "I needn't buy a new one. Everyone knows me here." The title  of this article should  be   _  .
Einstein's Coat Einstein and His New Coat Einstein and His friend Einstein