This  is a story of one 10-year-old boy who decided to study judo despite the  fact that he had lost his left arm in a devastating car accident .           The boy began lessons with an old Japanese  judo master . The boy was doing well, so he couldn't understand why, after three months of training , the master had taught him only one move. "Sensei," the boy finally said,   "Shouldn't I be learning  more moves?"           "This is the only move you know, but this is the only   move you'll ever need to know," the Sensei replied.   Not quite understanding , but believing in his teacher ,   the boy kept training.             Several months later, the Sensei took the boy to his   first tournament . Surprising himself, the boy easily   won his first two matches. The third match proved   to be more difficult, but after some time, his   opponent became impatient and charged; the   boy deftly used his one move to win the match .   Still amazed ...
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