देही नित्यमवध्योऽयं देहे सर्वस्य भारत | तस्मात्सर्वाणि भूतानि न त्वं शोचितुमर्हसि ||
Dehi nityam avadhyo ayam
The soul residing in the body is eternal and cannot be killed. Therefore, you should not grieve for any living being.
Modern Application: Understanding the soul removes fear of loss.
Deep Wisdom: Krishna concludes this section by reinforcing the eternal nature of the soul and removing the basis of grief.