TantraS, 6, 1.1 sa eva sthānaprakalpanaśabdena uktaḥ tatra tridhā sthānaṃ prāṇavāyuḥ śarīraṃ bāhyaṃ ca tatra prāṇe tāvat vidhiḥ sarvaḥ asau vakṣyamāṇaḥ adhvā prāṇasthaḥ kalyate tasya kramākramakalanaiva kālaḥ sa ca parameśvara eva antarbhāti tadbhāsanaṃ ca devasya kālī nāma śaktiḥ bhedena tu tadābhāsanaṃ kramākramayoḥ prāṇavṛttiḥ //