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
Kabbalah that this world can express, yet he includes all things of this world within his Divine reality in perfect unity, so that the Creation effected no change in him at all. This paradox is dealt with at length in Chabad texts. Among problems considered in the Hebrew Kabbalah is the theological issue of the nature and origin of evil. In the views of some Kabbalists this conceives "evil" as a "quality of God", asserting that negativity enters into the essence of the Absolute. In this view it is conceived that the Absolute needs evil to "be what it is", i.e.,