Bible Verses About Spiritual Blindness: The wicked wilfully guilty of

because that which is known of God is revealed in them, for God revealed it to them.

For the invisible things of him since the creation of the world are clearly seen, being perceived through the things that are made, even his everlasting power and divinity; that they may be without excuse.

Because, knowing God, they didn’t glorify him as God, neither gave thanks, but became vain in their reasoning, and their senseless heart was darkened.