'Deep Darkness' in the Bible

my face is reddened because of weeping, and on my eyelids there is a deep darkness,

But you have said, 'What does God know? Does he judge through such deep darkness?

For all of them, the morning is to them like deep darkness; they are friends with the terrors of darkness.

There is no darkness, and no deep darkness, where evildoers can hide themselves.

The people walking in darkness see a bright light; light shines on those who live in a land of deep darkness.

At that time the deaf will be able to hear words read from a scroll, and the eyes of the blind will be able to see through deep darkness.

Who among you fears the Lord? Who obeys his servant? Whoever walks in deep darkness, without light, should trust in the name of the Lord and rely on his God.

For this reason deliverance is far from us and salvation does not reach us. We wait for light, but see only darkness; we wait for a bright light, but live in deep darkness.

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

They did not ask: 'Where is the Lord who delivered us out of Egypt, who brought us through the wilderness, through a land of desert sands and rift valleys, through a land of drought and deep darkness, through a land in which no one travels, and where no one lives?'