Let There Be Light

And God said: “Let there be light.” And there was light. And God saw the light, that it was good; and God separated between the light and between the darkness. And God called the light day, and the darkness He called night. And there was evening and there was morning, one day. (Genesis 1:3-5)   This short passage from Genesis presents several difficulties that many classical commentators struggle to address. The first problem has to do with darkness and the separation of light from darkness. As we know today, darkness is not a substance—it is merely the absence of light. The verse states that God separated between the light and the darkness. Presumably, before this “separation,” the light and the darkness existed together. How is this possible? By definition, the presence of light [...]