'Light' in the Bible

Then I saw that wisdom excelleth folly, as far as light excelleth darkness.

All of his life he also eats in darkness [cheerlessly, without sweetness and light], with great frustration, sickness, and anger.

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.

In light of all of this, I committed myself to explain it this way: the righteous and the wise, along with everything they do, are in the hands of God. Furthermore, as to love and hate, no human being knows everything concerning them.

Truly the light is sweet, and a pleasant thing it is for the eyes to behold the sun:

While the sun, or the light, or the moon, or the stars, be not darkened, nor the clouds return after the rain: