Śatapatha Brāhmaṇa ("of a hundred paths") 8.2.2.2

8.2.2.2

te devā abruvan | aśvinau vā idaṃ sarvamabhūtāmupa tajjānīta yathā vyamihāpyasāmeti te 'bruvaṃścetayadhvamiti citimicateti vāva tadabruvaṃstadicata yathā vayamihāpyasāmeti te cetayamānā etā iṣṭakā apaśyanvaiśvadevīḥ

The gods spake, 'The Asvins have become everything here: think ye upon this as to how we also may share in it!' They said, 'Meditate ye (kit)!' whereby, no doubt, they meant to say, Seek ye a layer (kiti)! seek ye in what way we also may share in it!' whilst meditating, they saw these Vaisvadevî (All-gods’) bricks.