There is the ether within the heart, and in it there is the Person (purusha) consisting of mind, immortal, golden. Between the two palates there hangs the uvula, like a nipple that is the starting-point of Indra (the lord). Where the root of the hair divides, there he opens the two sides of the head, and saying Bhu, he enters Agni (the fire); saying Bhuvas, he enters Vayu (air);