And I will pray the Father ,...., Here Christ speaks as Mediator, and promises his disciples, that he would intercede for them with the Father; which is designed as an encouragement to them to ask for what they want, in his name, and to comfort their hearts, which were troubled at the news of his departure from them;
and he shall give you another Comforter . This is no inconsiderable proof of a trinity of persons in the Godhead; here is the Father prayed unto, the Son in human nature praying, and the Holy Ghost the Comforter prayed for; who is the gift of the Father, through the prevalent mediation of the Son, and is another "Comforter"; distinct from the Messiah, to whom reference is here had! One of the names of the Messiah, with the Jews, is מנחם
that he may abide with you for ever : not a few years only, as I have done, but as long as you live; and with all those that shall succeed you in the work of the ministry, and with the church, and all true believers unto the end of the world: this is a proof of the saints' final perseverance. When we consider these words, in connection with the preceding exhortation, to keep the commands of Christ, and as an encouragement so to do, it brings to mind a saying of R. Eliezer ben Jacob
"he that does one commandment gets for himself פרקליט אחד , ενα παρακλητον , the very word here used, "one advocate", or "comforter"; and he that transgresses one command, gets for himself one accuser.'
But though the word signifies both an advocate and a comforter, the latter seems to be the meaning of it here, as being more suited to the disconsolate condition of the disciples.