2:24  

अच्छेद्योऽयमदाह्योऽयमक्लेद्योऽशोष्य एव च ।
नित्यः सर्वगतः स्थाणुरचलोऽयं सनातनः ॥२- २४॥

achChedyo'yamadaahyo'yamakledyo'shoShya ewa cha ।

nityaH sarwagataH sthaaNurachalo'yaM sanaatanaH ॥२- २४॥

Source: Automatic ITRANS Transliteration

This is un-cuttable. This is incombustible, unwettable, and even un-desiccatable.
This is eternal, all pervading, firmly rooted, motionless, everlasting.

Source: Milind S. Pandit

This Atma cannot be cut, burned, wetted, or dried up. It is eternal, all pervading, unchanging, immovable, and primeval.

Source: The Bhagavad-Gita: The Sacred Song

This individual soul is unbreakable and insoluble, and can be neither burned nor dried. He is everlasting, all-pervading, unchangeable, immovable and eternally the same.

Source: Bhagavad Gita As It Is