Śrīmad-Bhāgavatam 10.20.41
Blended reading (Sanskrit + English inline)
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prāṇaiḥ-sravat
—
flowing out through the prāṇas
Compound: prāṇa (life-breath) + sravat (flowing). Aṣṭāṅga-yoga reads the senses as channels through which jñāna leaks. Gauḍīyas note: bhakti redirects rather than seals — the flow becomes prīti toward Kṛṣṇa instead of grasping toward objects.
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jñānam
—
consciousness, knowledge
Here jñāna = the awareness-current, not philosophical knowledge. The yogī protects this current. Gauḍīyas distinguish levels of jñāna: this verse's jñāna is below the jñāna-amṛta of v. 36.
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yoginaḥ
—
the yogīs
Plural of yogin. The aṣṭāṅga-yogī specifically — distinct from the bhakti-yogī of Gītā 6.47. Gauḍīyas read this verse charitably: the technique is described, not endorsed as final.
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dṛḍha-setubhiḥ
—
with firm dikes
Compound: dṛḍha (firm) + setu (dike). Strong barriers. The same setu as v. 23 — but here positive, there negative. Vedic setus are precisely what dharma is.
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nirodhena
—
by restraint
Nirodha — the very word in Patañjali 1.2 (yogaś citta-vṛtti-nirodhaḥ). Gauḍīyas re-aim nirodha: not nirodha of vṛtti as such, but nirodha of vṛtti aimed elsewhere than Kṛṣṇa.
Śrīla Prabhupāda comments: “In autumn, farmers save the water within the fields by building strong walls so that the water contained within the field cannot run out. There is hardly any hope for new rainfall; therefore they want to save whatever is in the field. Similarly, a person who is actually advanced in self-realization protects his energy by controlling the senses. It is advised that after the age of fifty one should retire from family life and conserve the energy of the body for utilization in the advancement of Kṛṣṇa consciousness. Unless one is able to control the senses and engage them in the transcendental loving service of Mukunda, there is no possibility of salvation.”
The farmers preserves the water flowing from the fields with dykes, as the yogi preserves his consciousness from flowing away due to distraction of the senses, but stopping up the senses. This is a positive comparison.
The farmers keep the water from flowing from the fields by making strong dykes, which had broken during the monsoon. The yogīs protect their knowledge which flows out through the gates of the agitated senses by withdrawing the senses.
Farmers build firm dikes to keep field-water in — like yogīs building prāṇa-dikes to keep consciousness from spilling out through agitated senses. The verse's image is unusually technical: jñāna leaks through prāṇas; the yogī plugs the leak with disciplined breath. Gauḍīyas note: bhakti has its own dikes — service, association, śravaṇa, kīrtana — and they hold without violence.
My note
Source: vedabase.io