Etz Chaim (Hebrew: עץ חיים, "Tree of Life") is a literary work that deals with the Kabbalah, written in 1573.
The Arizal was a rabbi and a kabbalist who led a study group on Kabbalah in the city of Safed, in Ottoman Palestine.
[citation needed] The book talks about the divine order and the existence of things, and deals with revelation and the perception of reality by human beings.
"[This quote needs a citation] The book marks the beginning of the school of thought known as the Lurianic Kabbalah.
[2] Before the Arizal, the Kabbalists revealed in their books, the development of reality from its origin to our world (from the understandable light).