सर्वभूतानि कौन्तेय प्रकृतिं यान्ति मामिकाम्।
कल्पक्षये पुनस्तानि कल्पादौ विसृजाम्यहम्।।9.7।।
।।9.7।। हे कौन्तेय (एक) कल्प के अन्त में समस्त भूत मेरी प्रकृति को प्राप्त होते हैं और (दूसरे) कल्प के प्रारम्भ में उनको मैं फिर रचता हूँ।।
For the purpose of imparting detailed knowledge Lord Krishna speaks of the dissolution of all beings at the end of a life of Brahma who is the architect of material creation. This is what is acknowledged by the words kalpa ksaye which means at the time of universal dissolution which occurs every 26 trillion 439 billion and 400 million years on Earth at the end of each Brahmas life.