BG 2.30
देही नित्यमवध्योऽयं देहे सर्वस्य भारत। तस्मात्सर्वाणि भूतानि न त्वं शोचितुमर्हसि
dehī nityam avadhyo ’yaṁ dehe sarvasya bhārata tasmāt sarvāṇi bhūtāni na tvaṁ śhochitum arhasi
Do not be anxious about these armies; the spirit in man is imperishable.
Translated by Shri Purohit Swami
This indweller in the body of everyone is ever indestructible, O Arjuna; therefore, you should not grieve for any creature.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
dehī—the soul that dwells within the body; nityam—always; avadhyaḥ—immortal; ayam—this soul; dehe—in the body; sarvasya—of everyone; bhārata—descendant of Bharat, Arjun; tasmāt—therefore; sarvāṇi—for all; bhūtāni—living entities; na—not; tvam—you; śhochitum—mourn; arhasi—should