2:18  

अन्तवन्त इमे देहा नित्यस्योक्ताः शरीरिणः ।
अनाशिनोऽप्रमेयस्य तस्माद्युध्यस्व भारत ॥२- १८॥

antawanta ime dehaa nityasyoktaaH shariiriNaH ।

anaashino'prameyasya tasmaadyudhyaswa bhaarata ॥२- १८॥

Source: Automatic ITRANS Transliteration

Only the bodies are perishable of the one called the eternal, embodied,
Indestructible, infinite. Therefore fight, O scion of Bharat!

Source: Milind S. Pandit

Bodies of the eternal, imperishable, and incomprehensible soul are said to be perishable. Therefore, fight, O Arjuna.

Source: The Bhagavad-Gita: The Sacred Song

Only the material body of the indestructible, immeasurable and eternal living entity is subject to destruction; therefore, fight, O descendant of Bharata.

Source: Bhagavad Gita As It Is