Tarkasaṃgraha, 1, 40.3 tathā hi svayam eva bhūyo darśanena yatra dhūmas tatra agnir iti mahānasādau vyāptiṃ gṛhītvā parvatasamīpaṃ gatas tadgate cāgnau saṃdihānaḥ parvate dhūmaṃ paśyan vyāptiṃ smarati yatra dhūmas tatrāgnir iti /