Those (only, who) know that the holy day of Brahman, indeed, ends after (the completion of) one thousand ages (of the gods) and that his night lasts as long, (are really) men acquainted with (the length of) days and nights.
Mind, impelled by (Brahman’s) desire to create, performs the work of creation by modifying itself, thence ether is produced; they declare that sound is the quality of the latter.