Nirvana literally means 'blowing out' — the extinguishing of the fires of greed, hatred, and delusion. It is not a place but a cessation: the end of craving, the end of the cycle. The Udana records the Buddha saying: 'There is that sphere where there is neither earth, nor water, nor fire, nor wind.' Hex 11 (Peace) is heaven below earth — the image of perfect equilibrium where the creative and receptive serve each other without friction. It is the I-Ching's closest structural analog to nirvana: a state where opposition has resolved itself through mutual accommodation rather than conquest. But nirvana exceeds all hexagrams. The I-Ching maps conditioned reality — the sixty-four permutations of yin and yang. Nirvana is the unconditioned. Hex 2 is included here as the receptive ground — the closest the binary system can approach to what lies beyond the binary.