Matthew 28:20

And with regard to our having Him really always with us, He saith, "Lo, I am with you alway, even unto the end of the world." From all which it is evident, that for no other object was this said, but that the rebuke of the disciples might not wither the faith of the woman, just then budding.

After that, because he had enjoined on them great things, to raise their courage, He says, "Lo! I am with you alway, even unto the end of the world." Seest thou His own proper power again? Seest thou how those other things also were spoken for condescension? And not with those men only did He promise to be, but also with all that believe after them. For plainly the apostles were not to remain here unto "the end of the world;" but he speaks to the believers as to one body. For tell me not, saith He, of the difficulty of the things: for "I am with you," who make all things easy. This He said to the prophets also in the Old Testament continually, as well to Jeremiah objecting his youth, as to Moses and Ezekiel shrinking from the office, "I am with you," this here also to these men. And mark, I pray thee, the excellence of these, for the others, when sent to one nation, often excused themselves, but these said nothing of the sort, though sent to the world. And He reminds them also of the consummation, that He may draw them on more, and that they may look not at the present dangers only, but also at the good things to come that are without end. "For the irksome things, saith He, that ye will undergo are finished together with the present life, since at least even this world itself shall come to an end, but the good things which ye shall enjoy remain immortal, as I have often told you before." Thus having invigorated and roused their minds, by the remembrance of that day, He sent them forth. For that day to them that live in good works is to be desired, even as on the other hand to those in sin, it is terrible as to the condemned.

Observe the order of these injunctions. He bids the Apostles first to teach all nations, then to wash them with the sacrament of faith, and after faith and baptism then to teach them what things they ought to observe; Teaching them to observe all things whatsoever I have commanded you. He then who promises that He will be with His disciples to the end of the world, shows both that they shall live for ever, and that He will never depart from those that believe.

(Serm. 72. 3.) For by ascending into heaven He does not desert His adopted; but from above strengthens to endurance, those whom He invites upwards to glory. Of which glory may Christ make us partakers, Who is the King of glory, God blessed for ever, AMEN.

('Beda in Hom.' non occ.) It is made a question how He says here, I am with you, John 16:5. when we read elsewhere that He said, I go unto him that sent me. What is said of His human nature is distinct from what is said of His divine nature. He is going to His Father in His human nature, He abides with His disciples in that form in which He is equal with the Father. When He says, to the end of the world, He expresses the infinite by the finite; for He who remains in this present world with His elect, protecting them, the same will continue with them after the end, rewarding them.