Śatapatha Brāhmaṇa ("of a hundred paths") 6.1.2.3

6.1.2.3

so 'kāmayata | bhūya eva syātprajāyeteti sa vāyunāntarikṣam mithunaṃ samabhavattata āṇḍaṃ samavartata tadabhyamṛśadyaśo bibhṛhīti tato 'sāvādityo 'sṛjyataiṣa vai yaśo 'tha yadaśru saṃkṣaritamāsītso 'śmā pṛśnirabhavadaśrurha vai tamaśmetyācakṣate paro 'kṣam paro 'kṣakāmā hi devā atha yaḥ kapāle raso lipta āsītte raśmayo 'bhavannatha yatkapālamāsītsā dyaurabhavat

He desired, 'May it multiply, may it reproduce itself!' By means of Vâyu he entered into union with the Air: thence an egg arose. He touched it, saying, 'Bear thou glory!' From it yonder sun was created, for he indeed is glorious. And the tear which (asru) formed itself became that variegated pebble (asman); for 'asru' indeed is what they mystically call 'asman,' for the gods love the mystic. And the juice which was adhering to the shell became those sunbeams. And that which was the shell became the sky.