Bhagavad Gita 2.24

अच्छेद्योऽयमदाह्योऽयमक्लेद्योऽशोष्य एव च ​​|
नित्य: सर्वगत: स्थाणुरचलोऽयं सनातन:

Translation

The soul is unbreakable and incombustible; it can neither be dampened nor dried. It is everlasting, in all places, unalterable, immutable, and primordial.