Ye have not chosen me, but I ... you - a wholesale memento after the lofty things He had just said about their mutual indwelling, and the unreservedness of the friendship they had been admitted to.
ordained - appointed.
you, that ye should go and bring forth fruit - that is, give yourselves to it.
and that your fruit should remain - showing itself to be an imperishable and ever growing principle. (Compare Pro 4:18; 2Jo 1:8).
that whatsoever ye shall ask, etc. - (See on Joh 15:7).