God saw that the light was good, so God separated the light from the darkness.

to preside over the day and the night, and to separate the light from the darkness. God saw that it was good.

I realized that wisdom is preferable to folly, just as light is preferable to darkness:

Then, when you heard the voice from the midst of the darkness while the mountain was ablaze, all your tribal leaders and elders approached me.

So, if a man lives many years, let him rejoice in them all, but let him remember that the days of darkness will be many – all that is about to come is obscure.

For, look, darkness covers the earth and deep darkness covers the nations, but the Lord shines on you; his splendor appears over you.