Practical Kabbalah transferred techniques from practical to speculative Kabbalah. While this led to the displacement of magical formulas and rites by contemplative exercises, the old forms of practical Kabbalah continued to exert broad appeal. Luria's position as the central teacher of modern Kabbalah, the foundation for later Hasidism, gives his proscription authoritative force. He taught that in our generations, without the Temple in Jerusalem and its ashes of the Red Heifer to purify, the pursuit of the realm of practical Kabbalah by a person with an impure body is very detrimental. The traditional role of the Baal Shem healer involved accepted methods
Yiddish theatre Yiddish theatre troupes in the United States. At many times, a dozen Yiddish theatre groups existed in New York City alone, with the Yiddish Theater District, sometimes referred to as the "Jewish Rialto", centered on Second Avenue in what is now the East Village, but was then considered part of the Jewish Lower East Side, which often rivaled Broadway in scale and quality. At the time the U.S. entered World War I, there were 22 Yiddish theaters and two Yiddish vaudeville houses in New York City alone. Original plays, musicals, and even translations of "Hamlet" and Richard Wagner's operas were