Praśna Upaniṣad ("Six Questions") 1.6

1.6

athādityaudayanyatprācīṃdiśaṃpraviśatitenaprācyānprāṇānraśmiṣusaṃnidhatte
yaddakṣiṇāṃ yatpratīcīṃ yadudīcīṃ yadadho yadūrdhvaṃyadantarā diśo yatsarvaṃprakāśayati tena sarvānprāṇānraśmiṣusaṃnidhatte

6. Now the sun, when it rises, enters the eastern quarter. Thereby it collects the living beings (*prāṇa*) of the east in its rays. When it illumines the southern, the western, the northern, the lower, the upper, the intervening quarters, when it illumines everything—thereby it collects all living beings in its rays.