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
Lurianic Kabbalah based more on classical authorities like Maimonides and the Geonim. With its Rationalist project, the 19th century Haskalah movement and the critical study of Judaism dismissed Kabbalah. In the 20th century, Gershom Scholem initiated the academic study of Jewish mysticism, utilising historical methodology, but reacting against what he saw as its exclusively Rationalist dogma. Rather, he identified Jewish mysticism as the vital undercurrent of Jewish thought, periodically renewing Judaism with new mystical or messianic impetus. The 20th century academic respect of Kabbalah, as well as wider interest in spirituality, bolster a renewed Kabbalistic interest from non-Orthodox Jewish denominations in the