Verse
अव्यक्ताद् व्यक्तयः सर्वाः प्रभवन्त्यहरागमे ।रात्र्यागमे प्रलीयन्ते तत्रैवाव्यक्तसंज्ञके ॥
avyaktād vyaktayaḥ sarvāḥ prabhavantyaharāgamerātryāgame pralīyante tatraivāvyaktasaṃjñake
At the coming of the Day all manifestations are born into being out of the unmanifest, at the coming of the Night all vanish or are dissolved into it.
Gītā 8·18