The Bible

Genesis 1:18

¹⁸ And to rule over the day and over the night, and to divide the light from the darkness: and God saw that it was good.

Commentary

Open

'To open,' as in Revelation 9, signifies communication and conjunction.

(References: Apocalypse Explained 537)

The Bible

Luke 11:35

³⁵ Therefore see whether the light that is in you isn't darkness.