Vanadurgā Upaniṣad 3.7.p25

3.7.p25

oṃ hīṃ śrīṃ klīṃ blūṃ phroṃ āṃ hrīṃ kroṃ huṃ phaṭ svāhā | saha nāvavatu | saha nau bhunaktu |
saha vīryaṃ karavāvahai | tejasvi nāvadhītamastu mā vidviṣāvahai |
dehamadhyagato vahnirvahnimadhyagatā dyutiḥ |
dyutimadhyagatā dīptirdīptimadhyagataḥ śaśī ||

Oṃ hīṃ śrīṃ klīṃ blūṃ phroṃ āṃ hrīṃ kroṃ huṃ phaṭ svāhā! May he protect us both together; may he nourish us both together; / may we work together with vigour; may what we have studied be radiant; may we not hate each other! / Within the body is fire; within the fire is brightness; / within the brightness is light; within the light is the moon;