If there had been any observer on the surface of the earth, the sources of light would have been imperceptible to him. Yet, the difference between night and day became discernible. ​ — Genesis 1: 3 - 5.
Kui Maa peal oleks keegi, poleks tal võimalik näha valgustandvaid taevakehasid, kuid erinevus öö ja päeva vahel oleks nähtav.