Upanishads 206.8

Upaniṣads 206.8

sa yathā śaṅkhasya dhyāyamānasya
na bāhyāṃśchabdāṃśchaknuyādgrahaṇāya śaṅkhasya tu grahaṇena
śaṅkhadhmasya vā śabdo gṛhītaḥ