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    श्री भैरव उवाच । ऊर्ध्वं प्राणो ह्यधो जीवो विसर्गात्मा परोच्चरेत् । उत्पत्तिद्वितयस्थाने भरणाद्भरिता स्थितिः ॥ २४ ॥

    Sri Bhairava said: Paradevi, whose nature is visarga, or creation, manifests as the upward prana and the downward apana. By fixing the mind at the two points of generation (of prana and apana), the state of fullness results.