Kena (Talavakāra) Upaniṣad 1.1

1.1

keneṣitaṃ patati preṣitaṃ manaḥ
kena prāṇaḥ prathamaḥ praiti yuktaḥ
keneṣitāṃ vācam imāṃ vadanti
cakṣuḥ śrotraṃ ka u devo yunakti

THE Pupil asks: 'At whose wish does the mind sent forth proceed on its errand? At whose command does the first breath go forth? At whose wish do we utter this speech? What god directs the eye, or the ear?'