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

Bhagavad Gīta Tātparya

B.G 2.13

देहिनोऽस्मिन्यथा देहे कौमारं यौवनं जरा। तथा देहान्तरप्राप्तिर्धीरस्तत्र न मुह्यति ॥ २-१३॥

dēhinō'sminyathā dēhē kaumāraṁ yauvanaṁ jarā। tathā dēhāntaraprāptirdhīrastatra na muhyati ॥ 2-13॥

The dweller of the body experiences childhood, youth and old age in the changing body. So also one gets another body (after death). It does not perturb the brave man.

Gīta Tātparya 2.13

Changing the body after death is no different compared to changing the body from youth to old-age. Using the word 'dehina' Krishna excludes his own body, as the body of God does not undergo change.

Krishna used the adjective 'dehina', your body, to deny himself, the God, different bodies. Even if Arjuna and others get different bodies, they should not grieve. Because it does not differ from the body undergoing changes in current life when observed scientifically.

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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