having their understanding darkened, being alienated from the life of God, because of the ignorance that is in them, because of the blindness of their heart;
Ephesians 4:18
Surrounding context
4:17 This I say, therefore, and testify in the Lord, that you should no longer walk as the rest of the Gentiles walk, in the futility of their mind,
4:18 having their understanding darkened, being alienated from the life of God, because of the ignorance that is in them, because of the blindness of their heart;
4:19 who, being past feeling, have given themselves over to lewdness, to work all uncleanness with greediness.