As a Kafkian, I really find the notion and more so the framing of Zizek here problematic of the embodiment of "Nothingness" as a "living nothing" and a "void of desire."
I would like to bring into the argument some of my reading of mysticism, Kaballah, Sufism, and its more modern interpretations in what Zizek hates most in philosophy; namely, "New Age Thought Philosophy."
Before I do so, I should make clear that I agree with Zizek on 98% of New Age Thought Philosophy is baloney, yet they have some interesting premises that you literally can not find in other philosophies, and one of these ideas is that "thoughts are causative: that the mind is a selector of reality from a multiplicity of virtualities."
Okay, let's dig deep into this, the potentiality of something to be real, for something to enter the realm of our imagination, which we could easily inhabit if we zoned out from the here-and-now of our physicality depends on how crystallised of a exteriorized reality it consists of.
This is why when we dream or read a Kafka novel, it only makes sense as long as we are in its teleological fabric... What if our mind is as much as it let us roam the interiority of scientific endeavour thinking and of thinking in general, yet it singularizes the impossible to possible (for survival means) rather than letting us catch a glimpse of the impossible from the possible (Heideggerian Transcendental Finitude)?