Experts in the subtle workings of nature, O subduer of the enemy, have declared that there are continuous processes of creation and annihilation that all created beings, beginning with Brahmā, constantly undergo.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
नित्यदा सर्वभूतानां ब्रह्मादीनां परन्तप । उत्पत्तिप्रलयावेके सूक्ष्मज्ञाः सम्प्रचक्षते
nityadā sarvabhūtānāṃ brahmādīnāṃ parantapa | utpattipralayāveke sūkṣmajñāḥ sampracakṣate
SB 12.4.35