Madhvacharya's Dvaita Vedanta and translation of Sarvamoola containing Bhagavad Gita, Upanishads, and Brahmasutra.

Bhagavad Gīta Bhāshya

nainaṁ chindanti śastrāṇi nainaṁ dahati pāvakaḥ। na cainaṁ klēdayantyāpō na śōṣayati mārutaḥ ॥ 2-23॥

Weapons cannot cut Him, fire cannot burn Him, water cannot drench Him, not even wind can dry Him.

Both internal natural causes and external special causes cannot destroy the Lord

svataḥ prāyōnimittaiśca avināśinō'pi kēnacinnimitta viśēṣēṇa syāt। kakacchēdavat ityatō viśēṣanimittāni niṣēdhati– 'nainam' iti ॥ 23 ॥

It is indestructible because not only it cannot be destroyed by natural causes, originating from themselves, but also by particular external causes. By rejecting it can be pierced, the verse 'nainam' forbids the possibility of its destruction by special causes.

बहुचित्रजगद्बहुधाकरणात् परशक्तिरनन्तगुणः परमः ।
सुखरूपममुष्य पदं परमं स्मरतस्तु भविष्यति तत्सततम् ॥
"The one who has created this variegated vast universe with varied forms has infinite power and is of infinite auspicious qualities. He certainly bestows the highest state of bliss to those who meditate on his ever happy essence." -Dwādasha stōtra 4.3

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