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

Kāthakopaniṣat Bhāshya (काठकोपनिषत् )

Just as the sun, which is the eye of the world, remains unaffected by the external impurities of the eyes, similarly, the Inner-Ātmān of all beings remains untouched by the external sorrows of the world.

The inner-vision is the deity, whereas the outer vision lacks consciousness. Similarly, the Supreme Being remains independent of living entities, and is untouched by the miseries of the dependent being.

"Just as the Sun is the deity of the inner-eye, and his reflection is external. Thus, the inner-eye remains unaffected by the faults of the external-eye.

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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