'Light' in the Bible

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

though it never saw the light of day nor knew anything, yet it has more rest than that man --

Wisdom, like an inheritance, is a good thing; it benefits those who see the light of day.

Light is sweet, and it is pleasant for a person to see the sun.

before the sun and the light of the moon and the stars grow dark, and the clouds disappear after the rain;