Rāmāyaṇa (2.62.15)Anushtubh
शोको नाशयते धैर्यं शोको नाशयते श्रुतम् । शोको नाशयते सर्वं नास्ति शोकसमो रिपुः ॥
Grief destroys courage. Grief destroys the knowledge one has acquired. Grief destroys everything. There is no enemy equal to grief.
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