Different Upanishads 91.4

Different Upaniṣads 91.4

atha hāgnayaḥ samūdire tapto brahmacārī kuśalaṃ naḥ
paryaṃcārīt| hantāsmai pra bravāmeti tasmai hocuḥ| prāṇo
brahma kaṃ brahma khaṃ brahmeti