I actually don't agree that we are 'something in a box'. That view is isolationist and denies somewhat the holistic nature of reality. I am not just in the universe, or even a part of the universe, I am (composed of) universe.
If we intend to cover the vast territories of physical space, we have got to get hip.
"The softest thing in the universe overcomes the hardest thing in the universe. That without substance can enter where there is no room. Hence I know the value of non-action. Teaching without words and working without doing are understood by very few."
Kaballah is a map of consciousness, as relevant as the chakra system, tarot, the ten-circuit model, yantras, labyrinths, mythic cycles, and Freud's id-ego-superego.
If the map isn't useful to you, don't use it