A man was cycling beside the Sea of Galilee
  when suddenly he heard a drowning man cry
  "Ezra!  Ezra!" (which in Hebrew means
  "Help").  The cyclist stopped and shouted to
  the drowning man in Yiddish: "Hebrew you
  learned!  Better you should learn how to
  swim!"

                    Benjamin Sonnenberg, Jr.

  (He was making fun of him for not
  speaking Yiddish.)