Bhagavad Gita · Chapter 9: The Royal Knowledge and Royal Secret
Bhagavad Gita 9.7
सर्वभूतानि कौन्तेय प्रकृतिं यान्ति मामिकाम् ।
कल्पक्षये पुनस्तानि कल्पादौ विसृजाम्यहम् ॥
sarvabhūtāni kaunteya prakṛtiṃ yānti māmikām | kalpakṣaye punastāni kalpādau visṛjāmyaham ||
At the end of a cosmic age, Arjuna, all beings enter my nature. At the beginning of the next age I send them forth again.
Modern context
At the end of each cosmic age, all beings are withdrawn into the divine nature; at the start of the next, they are sent out again. The rhythm of chapter 8 is repeated, but here Krishna presents himself as the one who breathes in and breathes out the universe. There is something reassuring in this. Nothing is ever thrown away. Even dissolution is a return home before a new beginning.