ŚBM, 6, 1, 1, 6.2 saptapuruṣo hyayam puruṣo yaccatvāra ātmā trayaḥ pakṣapucchāni catvāro hi tasya puruṣasyātmā trayaḥ pakṣapucchāny atha yadekena puruṣeṇātmānaṃ vardhayati tena vīryeṇāyamātmā pakṣapucchānyudyacchati //