One may object: If the Tzimtzum is merely the departure of the aspect of limitlessness – a matter of negation – how can the Tzimtzum positively sustain or maintain anything in being? The answer is that it is the Will that wanted to reveal things in actuality (rather than their remaining as a mere hypothetical possibility) which brings all this about. What He wanted to reveal is His limited power. Accordingly He removed His aspect of limitlessness from it. If so, it is the act of Tzimtzum that actually sustains in being the limited realm revealed through it. This realm is revealed in accordance with His Will, through the removal of His aspect of limitlessness from the place of the Tzimtzum.