Ephesians 4:18 Meaning

16From whom the whole body fitly joined together and compacted by that which every joint supplieth, according to the effectual working in the measure of every part, maketh increase of the body unto the edifying of itself in love.

17This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind,

18Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

19Who being past feeling have given themselves over unto lasciviousness, to work all uncleanness with greediness.

20But ye have not so learned Christ;