श्रीमद् भगवद्गीता

मूल श्लोकः

देही नित्यमवध्योऽयं देहे सर्वस्य भारत।

तस्मात्सर्वाणि भूतानि न त्वं शोचितुमर्हसि।।2.30।।
 

English Commentary By Swami Sivananda

2.30 देही indweller, नित्यम् always, अवध्यः indestructible, अयम् this, देहे in the body, सर्वस्य of all, भारत O Bharata, तस्मात् therefore, सर्वाणि (for) all, भूतानि creatures, न not, त्वम् thou, शोचितुम् to grieve, अर्हसि (thou) shouldst.

Commentary:
The body of any creature may be destroyed but the Self cannot be killed. Therefore you should not grieve regarding any creature whatever, Bhishma or anybody else.

English Translation of Abhinavgupta's Sanskrit Commentary By Dr. S. Sankaranarayan

2.30 Dehi etc. On these grounds, the permanent destruction-lessness of the Self [is established].

English Translation Of Sri Shankaracharya's Sanskrit Commentary By Swami Gambirananda

2.30 Because of being partless and eternal, ayam, this dehi, embodied Self; nityam avadhyah, can never be killed, under any condition. That being so, although existing sarvasya dehe, in all bodies, in trees etc., this One cannot be killed on account of Its being allpervasive. Since the indewelling One cannot be killed although the body of everyone of the living beings be killed, tasmat, therefore; tvam, you; na arhasi, ought not; socitum, to grieve; for sarvani bhutani, all (these) beings, for Bhisma and others. Here [i.e. in the earlier verse.] it has been said that, from the standpoint of the supreme Reality, there is no occasion for sorrow or delusion. (This is so) not merely from the standpoint of the supreme Reality, but