Yāska's Nirukta 3.12

3.12

``yatrā suparṇā amṛtasya bhāgam animesam vidathā abhisvaranti/
ino viśvasya bhuvanasya gopāḥ sa mā dhīraḥ pākam atra ā viveśa/''.[287]
yatra suparṇāḥ supatanā āditya raśmayaḥ amṛtasya bhāgam udakasya animisantas vedanena abhisvaranti iti vā abhiprayanti iti vā/[287]
īśvaraḥ sarvesām bhūtānām gopāyitā ādityaḥ sa mā dhīraḥ pākam atra āviveśa iti dhīro dhīmān pākaḥ paktavyo bhavati vipakva prajña āditya ity upanisad varṇo bhavati ity adhidaivatam/[287]
atha adhyātmam yatra suparṇāḥ supatanāni indriyāny amṛtasya bhāgam jñānasya animisanto vedanena abhisvaranti iti vā abhiprayanti iti vā/[287]
īśvaraḥ sarvesām indriyānām gopāyitā/[287]
ātmā sa mā dhīraḥ pākam atra āviveśa iti dhīro dhīmān pākaḥ paktavyas bhavati vipakvaprajña ātmā ity ātma gatim ācaṣṭe/[287]