Bible Verses About Union With Christ: Necessary to growth in grace

but speaking truth in love, may grow up in all things into him, who is the head, even Christ;

from whom all the body fitly framed and knit together through that which every joint supplieth, according to the working in due measure of each several part, maketh the increase of the body unto the building up of itself in love.

and not holding fast the Head, from whom all the body, being supplied and knit together through the joints and bands, increaseth with the increase of God.