यथा पार्थिवधातूनां दह्यते धमनान्मलाः । तथेंद्रियैः कृता दोषा ज्वाल्यंते प्राणसंयमात्
yathā pārthivadhātūnāṃ dahyate dhamanānmalāḥ | tatheṃdriyaiḥ kṛtā doṣā jvālyaṃte prāṇasaṃyamāt
Wie die Unreinheiten irdischer Metalle im Schmelzofen verbrannt werden, so werden auch die durch die Sinne entstandenen Fehler durch die Zügelung des Atems entflammt und vernichtet.
Unspecified (Dharmāraṇyakhaṇḍa narrative voice; instructional passage)
Tirtha: Dharmāraṇya
Type: kshetra
Scene: Split-scene metaphor: on one side a smith’s furnace refining metal; on the other a yogin with a subtle inner flame at nābhi/hṛdaya, senses depicted as subdued animals, signifying doṣa being burned.
Prāṇāyāma is portrayed as an inner fire that purifies sensory-born defects.
No site is specified; the verse uses a general purification metaphor.
Practice prāṇa-saṃyama (breath restraint) to burn away दोष arising from the senses.