The center, the square stone of the Ka'aba, the 'Temple of the Heart' and the world axis. The windings are like the turning of the Buddhist Wheel of Dharma; the revolutions of the cosmos seen as the Immutable Divine Law.
Since the pilgrim spirals around the Ka'aba as the heart of the universe, it is also his own heart; and so the vortex being created is that of his own receptivity, which is matched by the descending vortex of Divine Revelation.
. Hajj: The Pilgrimage
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