The Mukhya Upaniṣads

Īśa · The Whole World in the Light of the Self

Mantra 15

हिरण्मयेन पात्रेण सत्यस्यापिहितं मुखम् ।तत्त्वं पूषन्नपावृणु सत्यधर्माय दृष्टये ॥ १५ ॥

In plain words

The face of Truth is concealed by a vessel of gold. O Pūṣan, uncover it for me, whose devotion is to Truth, that I may behold.