Verse
भूतग्रामः स एवायं भूत्वा भूत्वा प्रलीयते ।रात्र्यागमेऽवशः पार्थ प्रभवत्यहरागमे ॥
This multitude of existences helplessly comes into the becoming again and again, is dissolved at the coming of the Night, O Partha, and is born into being at the coming of the Day.
Gītā 8·19