65. Here the kundaliní string turns and twirls round like a string beads counted about the finger; and coils also with its reflected head and a hissing sound like the hood of a snake stricken by a stick (it requires too much anatomy to show these operations of the arteries).
66. It thrills in the string of the lotus like heart, as a bee flutters over the honey cup of the lotus flower; and it kindles our knowledge in the body like the luminous sun amidst the earth and sky. (It gives action to the heart string, which arises its cognitive faculties).
67. It is then that the action of the heart, moves all the blood vessels in the body to their several functions; as the breeze of the outer air, shakes the leaves of trees.
68. As the high winds rage in the sky and break down the weaker leaves of the branches of trees, so do the vital airs coil in the body and crush the soft food, that has been taken in the stomach.
69. As the winds of the air batter the lotus leaves, and at last dissolve them into the native element; so the internal winds break down the food like the leaves of trees, and convert the food ingested in the stomach into chyle, blood, flesh, skin, fat, marrow and bones one after another.
70. The internal airs clash against one another the produce of the gastric fire, as the bamboos in the wood produce the living fire by their friction.
71. The body which is naturally cold and cold-blooded, becomes heated in all its parts by this internal heat, as every part of the world becomes warmed by the warmth of the sun.
72. This internal fire which pervades throughout the frame and flutters like golden bees over the loti-form heart, is meditated upon as twinkling stars in the minds of the ascetic yogis.
73. Reflections of these lights are attended with the full blaze of intellectual light, whereby the meditative yogi sees in his heart objects, which are situated at the distance of millions of miles from him. (This is called the consummation of clairvoyance or divyadrishti).
74. This culinary fire being continually fed by the fuel of food, continues to burn in the lake of the lotus-like muscle of the heart, as the submarine fire burns latent in the waters of the seas.