Bible Verses About Spiritual Blindness: Leads to all evil

This I say therefore, and testify in the Lord, that ye no longer walk as the Gentiles also walk, in the vanity of their mind,

being darkened in their understanding, alienated from the life of God, because of the ignorance that is in them, because of the hardening of their heart;

who being past feeling gave themselves up to lasciviousness, to work all uncleanness with greediness.