Chapter 15 · verse 16 · gita.yoga.org

Bhagavad Gita 15.16

द्वाविमौ पुरुषौ लोके क्षरश्चाक्षर एव च।क्षरः सर्वाणि भूतानि कूटस्थोऽक्षर उच्यते

Two Purushas there are in this world: the perishable and the imperishable. All beings are perishable, and the Kutastha—the unchanging—is called the imperishable.