Kabbalists believed that there is a gap between how mankind can understand God and what God actually is. This unknowable aspect of God is called Ein-Sof.
Kabbalah, meaning 'tradition' is a school of Jewish mysticism based on the text, the Zohar, which interpreted the Torah as a way to return to God. Later, Christianity and more modern esoteric Occultists adopted its practices. Read articles about Kabbalah below.
Mysticism is not new to Judaism. It dates back at least to the 6th century BCE with Ezekiel’s visions of the divine chariot (called merkavah mysticism) in Isaiah. In the year of King Uzziah’s death I saw the Lord sitting on a throne, lofty and exalted, with the train of His robe filling the temple. […]
Mysticism is difficult to define, largely because it encompasses so many different practices and beliefs – from Catholicism to Kabbalah.
One of the most significant words in Kabbalah is the ineffable name for god, (Yod, He, Vav, He), known as the Tetragrammaton.
Like “super-string” physicists, kabbalists hold that the universe is comprised of 10 dimensions.