Where Does The Number 600,000 Souls Come From?

Question: 600,000 souls, is this a random number?

Answer: No. The wisdom of Kabbalah is the most precise science.

The number 600,000 stems from the structure of the spiritual system. Malchut, the created being, connecting with Zeir Anpin, the Creator, attains His six Sefirot, and is multiplied by the height of the discrepancy between them. The result is 600,000.

But the fact is that there is further division to reach the required quantity because everything depends on the resolution of our emotions, our awareness, connection, and mutual integration into each other.
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From KabTV’s “Fundamentals of Kabbalah” 9/16/18