A theological debate
Several centuries ago, the Pope decreed that all the Jews had to convert or leave Italy. There was a huge outcry from the Jewish community, so the Pope offered a deal. He would have a religious debate with the leader of the Jewish community. If the Jews won, they could stay in Italy, if the Pope won, they would have to leave. The Jewish people met and picked an aged, but wise Rabbi Moishe to represent them in the debate. However, as Moishe spoke no Italian, and the Pope spoke no Yiddish, they all agreed that it would be a "silent" debate.