Praśna Upaniṣad ("Six Questions") 4.1

4.1

atha hainaṃ sauryāyaṇīgārgyaḥ papraccha
bhagavannetasminpuruṣe kāni svapanti kānyasmiñjāgrati katara eṣa devaḥ svapnānpaśyati kasyaitatsukhaṃ bhavati kasminnusarvesaṃpratiṣṭhitā bhavantīti

1. Then Sauryāyaṇin Gārgya asked him [i.e. Pippalāda]:— [a] ‘Sir, what are they that sleep in a person here? [b] What are they that remain awake in him? [c] Which is the god (*deva*) that sees the dreams? [d] Whose is the happiness? [e] In whom, pray, are all things established?’

4.1.p1

tasmaisa hovāca

2. To him then he said: ‘O Gārgya, as the rays of the setting sun all become one in that orb of brilliance and go forth again and again when it rises, even so, verily, everything here becomes one in mind (*manas*), the highest god.

4.1.p2

yathā gārgya marīcayo'rkasyāstaṃ gacchataḥ sarvā etasmiṃstejomaṇḍala ekī

4.1.p3

bhavanti