Ein Soph or Ayn Sof (Hebrew ??? ???, literally "without end", denoting "boundlessness" and/or "nothingness"), is a Kabbalistic term that usually refers to an abstract state of existence preceding God's Creation of the limited universe. This Ein Sof, typically referred to figuratively as the "light of Ein Sof" ("Or Ein Sof"), is the most fundamental emanation manifested by God. The Ein Sof is the material basis of Creation that, when focused, restricted, and filtered through the sefirot, results in the created, dynamic universe.

According to the Zohar, the ten sefirot (the Divine "emanations") as found in what is figuratively termed Adam Kadmon (the original "primal man" created by God) emanate from Ein Sof.

The ten emanations

The ten aspects of the Divine can be described as (also see Sephirah):

1. Keter (Crown; ???)
2. Chokhmah (Wisdom; ????)
3. Binah (Intelligence; ????)
4. Chesed or Gedulah (Love or Mercy); ???)
5. Din or Gevurah (Power or Judgement); ?????)
6. Tifereth or Rakhamim (Compassion); ?????)
7. Netzach (Lasting Endurance); ???)
8. Hod (Majesty); ???)
9. Yesod (Basis or Foundation); ????)
10. Malkuth or Shekinah (Kingdom); ?????)

Well-known explications of the relation between Ein Sof and all other realities and levels of reality have been formulated by the Jewish mystical thinkers of the Middle Ages, such as Isaac the Blind and Azriel.

According to Jewish Thought, all created worlds emanate from the ten sefirot, the attributes of Creation. These ten attributes maintain an interdependency with one another in the same way a flame is attached to its supporting braze of fire. Notwithstanding this internal relationship, each attribute maintains a separate link directly with its common Source, the Ein Sof.http://www.targum.com/product.php/194/a-bridge-to-heaven#readexcerpt

Cultural impact

Mathematician Georg Cantor labeled different sizes of infinity using the Aleph. The smallest size of infinity is aleph-null (\aleph_0), the second size is aleph-one (\aleph_1), etc. One theory about why Cantor chose to use the aleph is because it is the first letter of Ein-Sof. (See Aleph number)

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