Agni Purana 367.1

367.1

agnir uvāca
caturvidhastu pralayo nityo yaḥ prāṇināṃ layaḥ /
sadā vināśo jātānāṃ brāhmo naimittiko layaḥ //

Agni said: / Fourfold is the dissolution: the constant, which is the dissolution of living beings, / the continuous destruction of things born; the occasional dissolution belonging to Brahmā;